mac80211: update to trunk as of r26534 git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@26536 3c298f89-4303-0410-b956-a3cf2f4a3e73
ath9k: fall back to the default noise floor if the calibrated one is not available, fixes signal strength display in initial scan (backport of r26494) git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@26495 3c298f89-4303-0410-b956-a3cf2f4a3e73
backport mac80211, hostapd, iw, crda from trunk as of r26369 git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@26370 3c298f89-4303-0410-b956-a3cf2f4a3e73