smsc911x: Remove dev==NULL check.

The dev==NULL check in smsc911x_probe_config is useless
and isn't providing any additional protection. If a fwnode
doesn't exist then an appropriate error should be returned
by device_get_phy_mode() covering the original case
of a missing of/fwnode.
Signed-off-by: NJeremy Linton <jeremy.linton@arm.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/smsc/smsc911x.c

@@ -2370,9 +2370,6 @@ static int smsc911x_probe_config(struct smsc911x_platform_config *config,
 	int phy_interface;
 	u32 width = 0;
 
-	if (!dev)
-		return -ENODEV;
-
 	phy_interface = device_get_phy_mode(dev);
 	if (phy_interface < 0)
 		return phy_interface;