Convert CONFIG_ID_EEPROM to Kconfig

This converts the following to Kconfig:
   CONFIG_ID_EEPROM

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/ls1021atsn_sdcard_defconfig b/configs/ls1021atsn_sdcard_defconfig
index 8cc0360..df5651d 100644
--- a/configs/ls1021atsn_sdcard_defconfig
+++ b/configs/ls1021atsn_sdcard_defconfig
@@ -22,6 +22,7 @@
 CONFIG_BOOTDELAY=3
 CONFIG_SILENT_CONSOLE=y
 CONFIG_MISC_INIT_R=y
+CONFIG_ID_EEPROM=y
 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y
 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0xe8
 CONFIG_SPL_ENV_SUPPORT=y