All other net drivers with PTP support enable it unconditionally.
Make tile_net consistent with this.
Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
Acked-by: NChris Metcalf <cmetcalf@tilera.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>