Convert CONFIG_ENV_IS_IN_EEPROM to Kconfig
This converts the following to Kconfig:
CONFIG_ENV_IS_IN_EEPROM
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/portl2_defconfig b/configs/portl2_defconfig
index d4172df..e98ac23 100644
--- a/configs/portl2_defconfig
+++ b/configs/portl2_defconfig
@@ -3,6 +3,7 @@
CONFIG_TARGET_KM_KIRKWOOD=y
CONFIG_IDENT_STRING="\nKeymile Port-L2"
CONFIG_SYS_EXTRA_OPTIONS="KM_PORTL2"
+CONFIG_ENV_IS_IN_EEPROM=y
CONFIG_VERSION_VARIABLE=y
# CONFIG_DISPLAY_BOARDINFO is not set
CONFIG_HUSH_PARSER=y