net: phy: Convert to using %pOFn instead of device_node.name

In preparation to remove the node name pointer from struct device_node,
convert printf users to use the %pOFn format specifier.

Cc: Andrew Lunn <andrew@lunn.ch>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/mdio-thunder.c

@@ -73,8 +73,8 @@ static int thunder_mdiobus_pci_probe(struct pci_dev *pdev,
 		err = of_address_to_resource(node, 0, &r);
 		if (err) {
 			dev_err(&pdev->dev,
-				"Couldn't translate address for \"%s\"\n",
-				node->name);
+				"Couldn't translate address for \"%pOFn\"\n",
+				node);
 			break;
 		}