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_qspi_defconfig b/configs/ls1021atwr_qspi_defconfig
index 3b37641..039c984 100644
--- a/configs/ls1021atwr_qspi_defconfig
+++ b/configs/ls1021atwr_qspi_defconfig
@@ -35,6 +35,7 @@
 CONFIG_ARCH_MISC_INIT=y
 CONFIG_MISC_INIT_R=y
 CONFIG_ID_EEPROM=y
+CONFIG_SYS_EEPROM_BUS_NUM=1
 CONFIG_SYS_CBSIZE=256
 CONFIG_SYS_PBSIZE=276
 CONFIG_SYS_BOOTM_LEN=0x4000000