Convert CONFIG_CONS_INDEX to Kconfig

This converts the following to Kconfig:
   CONFIG_CONS_INDEX

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/am43xx_evm_defconfig b/configs/am43xx_evm_defconfig
index df02489..be88f28 100644
--- a/configs/am43xx_evm_defconfig
+++ b/configs/am43xx_evm_defconfig
@@ -10,7 +10,6 @@
 CONFIG_SPL=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SPL_LOAD_FIT=y
-CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=1"
 # CONFIG_USE_BOOTCOMMAND is not set
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 # CONFIG_MISC_INIT_R is not set
diff --git a/configs/am43xx_evm_qspiboot_defconfig b/configs/am43xx_evm_qspiboot_defconfig
index 459096d..fea5aa0 100644
--- a/configs/am43xx_evm_qspiboot_defconfig
+++ b/configs/am43xx_evm_qspiboot_defconfig
@@ -10,7 +10,7 @@
 CONFIG_AM43XX=y
 CONFIG_ENV_OFFSET_REDUND=0x120000
 CONFIG_DISTRO_DEFAULTS=y
-CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=1,QSPI,QSPI_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="QSPI,QSPI_BOOT"
 CONFIG_QSPI_BOOT=y
 # CONFIG_USE_BOOTCOMMAND is not set
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
diff --git a/configs/am43xx_evm_rtconly_defconfig b/configs/am43xx_evm_rtconly_defconfig
index 66fe744..8f1e60f 100644
--- a/configs/am43xx_evm_rtconly_defconfig
+++ b/configs/am43xx_evm_rtconly_defconfig
@@ -10,7 +10,6 @@
 CONFIG_SPL=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SPL_LOAD_FIT=y
-CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=1"
 # CONFIG_USE_BOOTCOMMAND is not set
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 # CONFIG_MISC_INIT_R is not set
diff --git a/configs/am43xx_evm_usbhost_boot_defconfig b/configs/am43xx_evm_usbhost_boot_defconfig
index d1a6fbe..7afd328 100644
--- a/configs/am43xx_evm_usbhost_boot_defconfig
+++ b/configs/am43xx_evm_usbhost_boot_defconfig
@@ -9,7 +9,6 @@
 CONFIG_SPL=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SPL_LOAD_FIT=y
-CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=1"
 # CONFIG_USE_BOOTCOMMAND is not set
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 # CONFIG_MISC_INIT_R is not set
diff --git a/configs/am43xx_hs_evm_defconfig b/configs/am43xx_hs_evm_defconfig
index deaa190..79a0466 100644
--- a/configs/am43xx_hs_evm_defconfig
+++ b/configs/am43xx_hs_evm_defconfig
@@ -19,7 +19,6 @@
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_SPL_FIT_IMAGE_POST_PROCESS=y
 CONFIG_OF_BOARD_SETUP=y
-CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=1"
 # CONFIG_USE_BOOTCOMMAND is not set
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 # CONFIG_MISC_INIT_R is not set
diff --git a/configs/birdland_bav335a_defconfig b/configs/birdland_bav335a_defconfig
index 2eb03ff..a20798b 100644
--- a/configs/birdland_bav335a_defconfig
+++ b/configs/birdland_bav335a_defconfig
@@ -13,7 +13,6 @@
 CONFIG_SPL_LIBDISK_SUPPORT=y
 CONFIG_BAV_VERSION=1
 CONFIG_DISTRO_DEFAULTS=y
-CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=1"
 # CONFIG_USE_BOOTCOMMAND is not set
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_VERSION_VARIABLE=y
diff --git a/configs/birdland_bav335b_defconfig b/configs/birdland_bav335b_defconfig
index 851d6fd..f5d7e3f 100644
--- a/configs/birdland_bav335b_defconfig
+++ b/configs/birdland_bav335b_defconfig
@@ -13,7 +13,6 @@
 CONFIG_SPL_LIBDISK_SUPPORT=y
 CONFIG_BAV_VERSION=2
 CONFIG_DISTRO_DEFAULTS=y
-CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=1"
 # CONFIG_USE_BOOTCOMMAND is not set
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_VERSION_VARIABLE=y
diff --git a/configs/gardena-smart-gateway-mt7688_defconfig b/configs/gardena-smart-gateway-mt7688_defconfig
index 41496f7..61060909 100644
--- a/configs/gardena-smart-gateway-mt7688_defconfig
+++ b/configs/gardena-smart-gateway-mt7688_defconfig
@@ -74,6 +74,7 @@
 CONFIG_MTD_UBI_BEB_LIMIT=22
 CONFIG_MT7628_ETH=y
 CONFIG_PHY=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
 CONFIG_SPI=y
 CONFIG_MT7621_SPI=y
 CONFIG_WDT=y
diff --git a/configs/linkit-smart-7688_defconfig b/configs/linkit-smart-7688_defconfig
index 8ec6693..9115bb9 100644
--- a/configs/linkit-smart-7688_defconfig
+++ b/configs/linkit-smart-7688_defconfig
@@ -60,6 +60,8 @@
 CONFIG_MT7628_ETH=y
 CONFIG_PHY=y
 CONFIG_MT76X8_USB_PHY=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
+CONFIG_CONS_INDEX=3
 CONFIG_SPI=y
 CONFIG_MT7621_SPI=y
 CONFIG_USB=y
diff --git a/configs/ls1028aqds_tfa_lpuart_defconfig b/configs/ls1028aqds_tfa_lpuart_defconfig
index e034827..f3475b5 100644
--- a/configs/ls1028aqds_tfa_lpuart_defconfig
+++ b/configs/ls1028aqds_tfa_lpuart_defconfig
@@ -75,6 +75,7 @@
 CONFIG_RTC_PCF2127=y
 CONFIG_SCSI=y
 CONFIG_DM_SCSI=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
 CONFIG_DM_SERIAL=y
 CONFIG_FSL_LPUART=y
 CONFIG_SPI=y
diff --git a/configs/mscc_jr2_defconfig b/configs/mscc_jr2_defconfig
index d9173f4..aaede4a 100644
--- a/configs/mscc_jr2_defconfig
+++ b/configs/mscc_jr2_defconfig
@@ -68,6 +68,7 @@
 CONFIG_MSCC_JR2_SWITCH=y
 CONFIG_PINCTRL=y
 CONFIG_PINCONF=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
 CONFIG_DM_SERIAL=y
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_DEBUG_UART_ANNOUNCE=y
diff --git a/configs/mscc_luton_defconfig b/configs/mscc_luton_defconfig
index d563901..0846ee8 100644
--- a/configs/mscc_luton_defconfig
+++ b/configs/mscc_luton_defconfig
@@ -72,6 +72,7 @@
 CONFIG_MSCC_LUTON_SWITCH=y
 CONFIG_PINCTRL=y
 CONFIG_PINCONF=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
 CONFIG_DM_SERIAL=y
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYS_NS16550=y
diff --git a/configs/mscc_ocelot_defconfig b/configs/mscc_ocelot_defconfig
index a0e04bd..36ca158 100644
--- a/configs/mscc_ocelot_defconfig
+++ b/configs/mscc_ocelot_defconfig
@@ -72,6 +72,7 @@
 CONFIG_MSCC_OCELOT_SWITCH=y
 CONFIG_PINCTRL=y
 CONFIG_PINCONF=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
 CONFIG_DM_SERIAL=y
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_DEBUG_UART_ANNOUNCE=y
diff --git a/configs/mscc_serval_defconfig b/configs/mscc_serval_defconfig
index 1c86c0d..66d9e1d 100644
--- a/configs/mscc_serval_defconfig
+++ b/configs/mscc_serval_defconfig
@@ -66,6 +66,7 @@
 CONFIG_MSCC_SERVAL_SWITCH=y
 CONFIG_PINCTRL=y
 CONFIG_PINCONF=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
 CONFIG_SPI=y
diff --git a/configs/mscc_servalt_defconfig b/configs/mscc_servalt_defconfig
index 9134768..1f56875 100644
--- a/configs/mscc_servalt_defconfig
+++ b/configs/mscc_servalt_defconfig
@@ -63,6 +63,7 @@
 CONFIG_MSCC_SERVALT_SWITCH=y
 CONFIG_PINCTRL=y
 CONFIG_PINCONF=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
 CONFIG_SPI=y
diff --git a/configs/mt7628_rfb_defconfig b/configs/mt7628_rfb_defconfig
index f444cf9..ba3b062 100644
--- a/configs/mt7628_rfb_defconfig
+++ b/configs/mt7628_rfb_defconfig
@@ -40,7 +40,6 @@
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_SPI_FLASH_XMC=y
 CONFIG_MT7628_ETH=y
-# CONFIG_SPECIFY_CONSOLE_INDEX is not set
 CONFIG_SPI=y
 CONFIG_MT7621_SPI=y
 CONFIG_LZMA=y
diff --git a/configs/x530_defconfig b/configs/x530_defconfig
index de077cb..2f1fd75 100644
--- a/configs/x530_defconfig
+++ b/configs/x530_defconfig
@@ -70,6 +70,7 @@
 CONFIG_PCI_MVEBU=y
 CONFIG_DM_RTC=y
 CONFIG_RTC_DS1307=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYS_NS16550=y
 CONFIG_KIRKWOOD_SPI=y