lantiq: add ath9k led pin support

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42437 3c298f89-4303-0410-b956-a3cf2f4a3e73
netifd: work-around kernel IPv6 on-link route issue

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42439 3c298f89-4303-0410-b956-a3cf2f4a3e73