- add MMC support for sun457i - update kernel config to compile in MMC and ext4 - update kernel cmdline Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39189 3c298f89-4303-0410-b956-a3cf2f4a3e73