Convert CONFIG_BOOTFILE to Kconfig
This converts the following to Kconfig:
CONFIG_BOOTFILE
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/iot_devkit_defconfig b/configs/iot_devkit_defconfig
index 431491e..14a30e3 100644
--- a/configs/iot_devkit_defconfig
+++ b/configs/iot_devkit_defconfig
@@ -27,6 +27,8 @@
CONFIG_ENV_IS_IN_FAT=y
CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_USE_BOOTFILE=y
+CONFIG_BOOTFILE="app.bin"
# CONFIG_NET is not set
CONFIG_MMC=y
CONFIG_MMC_DW=y