Convert CONFIG_ENV_IS_IN_FAT to Kconfig
This converts the following to Kconfig:
CONFIG_ENV_IS_IN_FAT
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/hsdk_defconfig b/configs/hsdk_defconfig
index 0018c04..eb3dfbd 100644
--- a/configs/hsdk_defconfig
+++ b/configs/hsdk_defconfig
@@ -4,6 +4,7 @@
CONFIG_SYS_TEXT_BASE=0x81000000
CONFIG_SYS_CLK_FREQ=1000000000
CONFIG_DEFAULT_DEVICE_TREE="hsdk"
+CONFIG_ENV_IS_IN_FAT=y
CONFIG_BOARD_EARLY_INIT_F=y
CONFIG_SYS_PROMPT="hsdk# "
# CONFIG_CMD_IMLS is not set