netifd: update to the latest version, addds a few fixes and enables multicast->unicast for igmp snooping on wireless devices

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41390 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: add missing config symbols

Spotted by several buildbots.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>
Patchwork: http://patchwork.openwrt.org/patch/5768/
Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41391 3c298f89-4303-0410-b956-a3cf2f4a3e73