kernel: bridge: readding MLD wakeup call feature (#2365)

With the update to OpenWrt 21.02 the bridge MLD wakeup call feature was
removed. However the issue with Android devices and MLD is still
present. Therefore readding the bridge MLD wakeup call patch and porting
it to Linux 5.10 / OpenWrt 22.03.

Link: https://issuetracker.google.com/issues/149630944


Fixes: aab2b914 ("modules: switch to OpenWrt 21.02")
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>

Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>