configs: Re-sync with cmd/Kconfig

Update the config.h and defconfig files for the commands that 8e3c036
converted over to Kconfig

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/m53evk_defconfig b/configs/m53evk_defconfig
index 1e9450d..62496c3 100644
--- a/configs/m53evk_defconfig
+++ b/configs/m53evk_defconfig
@@ -5,9 +5,17 @@
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/denx/m53evk/imximage.cfg"
 CONFIG_HUSH_PARSER=y
 # CONFIG_CMD_IMLS is not set
+CONFIG_CMD_ASKENV=y
+CONFIG_CMD_GREPENV=y
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_MMC=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_LIBFDT=y