Convert CONFIG_ENV_IS_IN_FLASH to Kconfig
This converts the following to Kconfig:
CONFIG_ENV_IS_IN_FLASH
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/ls1043ardb_defconfig b/configs/ls1043ardb_defconfig
index 894110b..4050737 100644
--- a/configs/ls1043ardb_defconfig
+++ b/configs/ls1043ardb_defconfig
@@ -4,6 +4,7 @@
CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1043a-rdb"
CONFIG_FIT_VERBOSE=y
CONFIG_OF_BOARD_SETUP=y
+CONFIG_ENV_IS_IN_FLASH=y
CONFIG_BOOTDELAY=10
CONFIG_HUSH_PARSER=y
CONFIG_CMD_GPT=y