ti: Default to ENV_IS_IN_FAT if MMC_OMAP_HS

When we have MMC available we assume that we want to put the env as a
file on FAT.

Cc: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/dra7xx_evm_defconfig b/configs/dra7xx_evm_defconfig
index 979f3ec..56effa0 100644
--- a/configs/dra7xx_evm_defconfig
+++ b/configs/dra7xx_evm_defconfig
@@ -12,6 +12,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="dra7-evm"
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_OF_BOARD_SETUP=y
+# CONFIG_ENV_IS_IN_FAT is not set
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_VERSION_VARIABLE=y