CAN: add controller hardware name for Softing cards

I just found that the controller hardware name is not set for the Softing
driver. After this patch, "$ ip -d link show" looks nicer.

Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/can/softing/softing_main.c

@@ -633,6 +633,7 @@ static const struct net_device_ops softing_netdev_ops = {
 };
 
 static const struct can_bittiming_const softing_btr_const = {
+	.name = "softing",
 	.tseg1_min = 1,
 	.tseg1_max = 16,
 	.tseg2_min = 1,