lantiq: add ath9k led pin support

Signed-off-by: John Crispin <blogic@openwrt.org>

Backport of r42437

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@42438 3c298f89-4303-0410-b956-a3cf2f4a3e73
netifd: work-around kernel IPv6 on-link route issue

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@42440 3c298f89-4303-0410-b956-a3cf2f4a3e73
mac80211: add mt7620a/n to the rt2x00 depends list

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@42441 3c298f89-4303-0410-b956-a3cf2f4a3e73
ath9k: add some ani related stability / performance fixes

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

Backport of r42443

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@42444 3c298f89-4303-0410-b956-a3cf2f4a3e73
ath9k: fix pll clock initialization on newer soc devices (fixes #14916)

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

Backport of r42453

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@42454 3c298f89-4303-0410-b956-a3cf2f4a3e73
procd: allow adding empty strings to arrays

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

Backport of r42456

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@42458 3c298f89-4303-0410-b956-a3cf2f4a3e73
atheros: enable the low_mem flag to better deal with 16M RAM devices

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

Backport of r42460

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@42461 3c298f89-4303-0410-b956-a3cf2f4a3e73
Merge remote-tracking branch 'origin/master'