net: smc911x: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/smsc/smc911x.c

@@ -2067,7 +2067,7 @@ static int smc911x_drv_probe(struct platform_device *pdev)
 	lp->netdev = ndev;
 #ifdef SMC_DYNAMIC_BUS_CONFIG
 	{
-		struct smc911x_platdata *pd = pdev->dev.platform_data;
+		struct smc911x_platdata *pd = dev_get_platdata(&pdev->dev);
 		if (!pd) {
 			ret = -EINVAL;
 			goto release_both;