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/mgcoge_defconfig b/configs/mgcoge_defconfig
index 86de799..2cc8f44 100644
--- a/configs/mgcoge_defconfig
+++ b/configs/mgcoge_defconfig
@@ -8,7 +8,10 @@
 CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_PROMPT="Hit <SPACE> key to stop autoboot in %2ds\n"
 CONFIG_AUTOBOOT_STOP_STR=" "
+CONFIG_CMD_ASKENV=y
+CONFIG_CMD_GREPENV=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_OF_LIBFDT=y