net: ks8851-ml: 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/micrel/ks8851_mll.c

@@ -1636,7 +1636,7 @@ static int ks8851_probe(struct platform_device *pdev)
 	} else {
 		struct ks8851_mll_platform_data *pdata;
 
-		pdata = pdev->dev.platform_data;
+		pdata = dev_get_platdata(&pdev->dev);
 		if (!pdata) {
 			netdev_err(netdev, "No platform data\n");
 			err = -ENODEV;