bridge: multicast: restore router configuration on port link down/up
bridge: multicast: restore router configuration on port link down/up

When a port goes through a link down/up the multicast router configuration
is not restored.

Signed-off-by: Satish Ashok <bb50ad5a268d85ca96e1cf86d58f9090be9a10f4@cumulusnetworks.com>
Signed-off-by: Nikolay Aleksandrov <262b42b771725e3ebec40395f2b058e593df7462@cumulusnetworks.com>
Fixes: 0909e11758bd ("bridge: Add multicast_router sysfs entries")
Acked-by: Herbert Xu <ef65de1c7be0aa837fe7b25ba9a7739905af6a55@gondor.apana.org.au>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs