mac80211: backport from trunk git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@29599 3c298f89-4303-0410-b956-a3cf2f4a3e73
mac80211: update to 2011-11-15 from trunk git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@29275 3c298f89-4303-0410-b956-a3cf2f4a3e73