ramips: add missing cpu-feature-override.h files

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@36259 3c298f89-4303-0410-b956-a3cf2f4a3e73
ramips: refresh patches

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@36260 3c298f89-4303-0410-b956-a3cf2f4a3e73