Convert CONFIG_ENV_IS_IN_DATAFLASH to Kconfig
This converts the following to Kconfig:
CONFIG_ENV_IS_IN_DATAFLASH
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/at91sam9260ek_dataflash_cs0_defconfig b/configs/at91sam9260ek_dataflash_cs0_defconfig
index 7c43c50..d0aff37 100644
--- a/configs/at91sam9260ek_dataflash_cs0_defconfig
+++ b/configs/at91sam9260ek_dataflash_cs0_defconfig
@@ -5,6 +5,7 @@
CONFIG_DEFAULT_DEVICE_TREE="at91sam9260ek"
CONFIG_DEBUG_UART=y
CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9260,SYS_USE_DATAFLASH_CS0"
+CONFIG_ENV_IS_IN_DATAFLASH=y
CONFIG_BOOTDELAY=3
# CONFIG_DISPLAY_BOARDINFO is not set
CONFIG_SYS_PROMPT="U-Boot> "