This adds PTP support for the MV88E6250 family.
Signed-off-by: Hubert Feurstein <h.feurstein@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>