ralink: update patches

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37016 3c298f89-4303-0410-b956-a3cf2f4a3e73
util-linux: dont provide swapon/off

these are no provided either by busybox or block-mount

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37017 3c298f89-4303-0410-b956-a3cf2f4a3e73
6relayd: don't accidentally remove regular prefix routes

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37018 3c298f89-4303-0410-b956-a3cf2f4a3e73