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/inka4x0_defconfig b/configs/inka4x0_defconfig
index e465e1b..506a8f8 100644
--- a/configs/inka4x0_defconfig
+++ b/configs/inka4x0_defconfig
@@ -7,3 +7,5 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_SNTP=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_FAT=y