ath9k: fix issues with 5/10 mhz channel bandwidth (#14916)

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39689 3c298f89-4303-0410-b956-a3cf2f4a3e73
ath9k: reduce unnecessary logspam (#14940)

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39690 3c298f89-4303-0410-b956-a3cf2f4a3e73