net: macb: remove redundant struct phy_device declaration

While moving the chunk of code during 739de9a1
("net: macb: Reorganize macb_mii bringup"), the declaration of
struct phy_device declaration was kept. It's not useful in this
function as we alrady have a phydev pointer.
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/cadence/macb_main.c

@@ -530,8 +530,6 @@ static int macb_mii_probe(struct net_device *dev)
 			 */
 			if (!bp->phy_node && !phy_find_first(bp->mii_bus)) {
 				for (i = 0; i < PHY_MAX_ADDR; i++) {
-					struct phy_device *phydev;
-
 					phydev = mdiobus_scan(bp->mii_bus, i);
 					if (IS_ERR(phydev) &&
 					    PTR_ERR(phydev) != -ENODEV) {