ethernet: apm: xgene: add missing of_node_put after calling of_parse_phandle

of_node_put needs to be called when the device node which is got
from of_parse_phandle has finished using.
Signed-off-by: NPeter Chen <peter.chen@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/apm/xgene/xgene_enet_hw.c

@@ -772,6 +772,7 @@ int xgene_enet_phy_connect(struct net_device *ndev)
 
 		phy_dev = of_phy_connect(ndev, np, &xgene_enet_adjust_link,
 					 0, pdata->phy_mode);
+		of_node_put(np);
 		if (!phy_dev) {
 			netdev_err(ndev, "Could not connect to PHY\n");
 			return -ENODEV;