kernel: kernel 3.18 fix compilation on mips

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43130 3c298f89-4303-0410-b956-a3cf2f4a3e73
mac80211: remove unused patch

This patch added stuff that is already there and if it would be needed 
this would result in a compile error.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43131 3c298f89-4303-0410-b956-a3cf2f4a3e73