net: fsl_pq_mdio: use platform_{get,set}_drvdata()

Use the wrapper functions for getting and setting the driver data using
platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev,
so we can directly pass a struct platform_device.
Signed-off-by: NLibo Chen <libo.chen@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/fsl_pq_mdio.c

@@ -409,7 +409,7 @@ static int fsl_pq_mdio_probe(struct platform_device *pdev)
 	priv->regs = priv->map + data->mii_offset;
 
 	new_bus->parent = &pdev->dev;
-	dev_set_drvdata(&pdev->dev, new_bus);
+	platform_set_drvdata(pdev, new_bus);
 
 	if (data->get_tbipa) {
 		for_each_child_of_node(np, tbi) {