ath9k: fix tx queue configuration for buffered multicast frames

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39848 3c298f89-4303-0410-b956-a3cf2f4a3e73
ath9k: improve ANI debugfs file

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39849 3c298f89-4303-0410-b956-a3cf2f4a3e73