BugLink: http://bugs.launchpad.net/bugs/1536474

This patch adds driver hooks to implement ndo_ops to add/del
udp port in the HW to identify GENEVE tunnels.
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Kiran Patil <kiran.patil@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 6a899024)
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>