Add the pf portion of vmdq support.  This provides enough support so that
VMDq is enabled, and the pf is functional without enabling vfs.
Signed-off-by: NAlexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>