Add PTP capability to the Gigabit Ethernet MAC.
Signed-off-by: NDurai Manickam KR <durai.manickamkr@microchip.com>
Reviewed-by: NClaudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: NMichal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: NJakub Kicinski <kuba@kernel.org>