configs: sama7g5: add mmc config for sdmmc0

Add new config for storing environment from sdmmc0.
Also clean-up sama7g5ek_emmc1 to point to the proper mmc device.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
diff --git a/configs/sama7g5ek_mmc1_defconfig b/configs/sama7g5ek_mmc1_defconfig
index fa4c88f..b6d2f4d 100644
--- a/configs/sama7g5ek_mmc1_defconfig
+++ b/configs/sama7g5ek_mmc1_defconfig
@@ -2,9 +2,10 @@
 CONFIG_ARCH_AT91=y
 CONFIG_SYS_TEXT_BASE=0x66f00000
 CONFIG_TARGET_SAMA7G5EK=y
-CONFIG_NR_DRAM_BANKS=1
 CONFIG_SYS_MALLOC_F_LEN=0x11000
+CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_SIZE=0x4000
+CONFIG_DM_GPIO=y
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_BASE=0xe1824200
 CONFIG_DEBUG_UART_CLOCK=200000000
@@ -14,6 +15,7 @@
 CONFIG_FIT=y
 CONFIG_SD_BOOT=y
 CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="console=ttyS0,115200 root=/dev/mmcblk1p2 rw rootwait"
 CONFIG_MISC_INIT_R=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_BOOTZ=y
@@ -35,6 +37,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_OF_CONTROL=y
 CONFIG_ENV_IS_IN_FAT=y
+CONFIG_ENV_FAT_DEVICE_AND_PART="1:1"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_DM=y
 CONFIG_CLK=y
@@ -44,7 +47,6 @@
 CONFIG_AT91_GENERIC_CLK=y
 CONFIG_AT91_SAM9X60_PLL=y
 CONFIG_CPU=y
-CONFIG_DM_GPIO=y
 CONFIG_ATMEL_PIO4=y
 CONFIG_DM_I2C=y
 CONFIG_DM_MMC=y
@@ -56,7 +58,6 @@
 CONFIG_MACB=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_AT91PIO4=y
-# CONFIG_RAM_ROCKCHIP_DEBUG is not set
 CONFIG_DM_SERIAL=y
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y