OVN will be using AF_BRIDGE in the near future as part of the effort to
add dynamic routing support for EVPN. Without these definitions
compilation (with sparse enabled) fails in OVN.
Acked-by: Mike Pattrick <mkp@redhat.com>
Signed-off-by: Dumitru Ceara <dceara@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>