rocker: set physical device for port netdevice

Do this so the sysfs has "device" link correctly set.
Signed-off-by: NJiri Pirko <jiri@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/rocker/rocker_main.c

@@ -2534,7 +2534,7 @@ static void rocker_port_dev_addr_init(struct rocker_port *rocker_port)
 #define ROCKER_PORT_MAX_MTU	9000
 static int rocker_probe_port(struct rocker *rocker, unsigned int port_number)
 {
-	const struct pci_dev *pdev = rocker->pdev;
+	struct pci_dev *pdev = rocker->pdev;
 	struct rocker_port *rocker_port;
 	struct net_device *dev;
 	int err;
@@ -2542,6 +2542,7 @@ static int rocker_probe_port(struct rocker *rocker, unsigned int port_number)
 	dev = alloc_etherdev(sizeof(struct rocker_port));
 	if (!dev)
 		return -ENOMEM;
+	SET_NETDEV_DEV(dev, &pdev->dev);
 	rocker_port = netdev_priv(dev);
 	rocker_port->dev = dev;
 	rocker_port->rocker = rocker;