e100: Support the get_ts_info ethtool method.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/e100.c

@@ -2733,6 +2733,7 @@ static const struct ethtool_ops e100_ethtool_ops = {
 	.set_phys_id		= e100_set_phys_id,
 	.get_ethtool_stats	= e100_get_ethtool_stats,
 	.get_sset_count		= e100_get_sset_count,
+	.get_ts_info		= ethtool_op_get_ts_info,
 };
 
 static int e100_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)