kernel: backport upstream bridge multicast snooping fixes

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41817 3c298f89-4303-0410-b956-a3cf2f4a3e73
netifd: update to the latest version, enables bridge multicast querier and fixes interface reload issues with wifi

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41818 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: annotate bridge multicast backport patch with upstream commits

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41819 3c298f89-4303-0410-b956-a3cf2f4a3e73