net: fsl: Use device_type helpers to access the node type

Remove directly accessing device_node.type pointer and use the accessors
instead. This will eventually allow removing the type pointer.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/fsl_pq_mdio.c

@@ -473,7 +473,7 @@ static int fsl_pq_mdio_probe(struct platform_device *pdev)
 
 	if (data->get_tbipa) {
 		for_each_child_of_node(np, tbi) {
-			if (strcmp(tbi->type, "tbi-phy") == 0) {
+			if (of_node_is_type(tbi, "tbi-phy")) {
 				dev_dbg(&pdev->dev, "found TBI PHY node %pOFP\n",
 					tbi);
 				break;