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/MCR3000_defconfig b/configs/MCR3000_defconfig
index 8484968..7aaf339 100644
--- a/configs/MCR3000_defconfig
+++ b/configs/MCR3000_defconfig
@@ -37,6 +37,7 @@
CONFIG_SYS_OR7_PRELIM=0xFFFF810A
CONFIG_SYS_IMMR=0xFF000000
CONFIG_OF_BOARD_SETUP=y
+CONFIG_ENV_IS_IN_FLASH=y
CONFIG_BOOTDELAY=5
CONFIG_HUSH_PARSER=y
CONFIG_SYS_PROMPT="S3K> "