tools: fix mtools/dosfstools related build system warnings

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42442 3c298f89-4303-0410-b956-a3cf2f4a3e73
ath9k: add some ani related stability / performance fixes

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42443 3c298f89-4303-0410-b956-a3cf2f4a3e73