Convert CONFIG_SYS_I2C_EEPROM_CCID et al to Kconfig

This converts the following to Kconfig:
   CONFIG_SYS_I2C_EEPROM_CCID
   CONFIG_SYS_I2C_EEPROM_NXID
   CONFIG_SYS_EEPROM_BUS_NUM

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/ls1021atwr_sdcard_ifc_defconfig b/configs/ls1021atwr_sdcard_ifc_defconfig
index 3dd0871..65f033a 100644
--- a/configs/ls1021atwr_sdcard_ifc_defconfig
+++ b/configs/ls1021atwr_sdcard_ifc_defconfig
@@ -44,6 +44,7 @@
 CONFIG_ARCH_MISC_INIT=y
 CONFIG_MISC_INIT_R=y
 CONFIG_ID_EEPROM=y
+CONFIG_SYS_EEPROM_BUS_NUM=1
 CONFIG_SPL_MAX_SIZE=0x1a000
 CONFIG_SPL_PAD_TO=0x1c000
 CONFIG_SPL_HAS_BSS_LINKER_SECTION=y