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_qspi_defconfig b/configs/ls1021atsn_qspi_defconfig
index 6103ab3..0cb31fe 100644
--- a/configs/ls1021atsn_qspi_defconfig
+++ b/configs/ls1021atsn_qspi_defconfig
@@ -17,6 +17,7 @@
 CONFIG_BOOTDELAY=3
 CONFIG_SILENT_CONSOLE=y
 CONFIG_MISC_INIT_R=y
+CONFIG_ID_EEPROM=y
 CONFIG_CMD_GREPENV=y
 CONFIG_CMD_MEMINFO=y
 CONFIG_CMD_DM=y