mac80211: refresh patch

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39000 3c298f89-4303-0410-b956-a3cf2f4a3e73
ath9k: merge initval and tx gain table updates, calibration fixes

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39001 3c298f89-4303-0410-b956-a3cf2f4a3e73
mac80211: merge an ibss dfs locking fix

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39002 3c298f89-4303-0410-b956-a3cf2f4a3e73