net: sunhme: 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 &of->dev,
so we can directly pass a struct platform_device.
Signed-off-by: Libo Chen <libo.chen@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/sun/sunhme.c

@@ -3231,7 +3231,7 @@ static int hme_sbus_probe(struct platform_device *op)
 
 static int hme_sbus_remove(struct platform_device *op)
 {
-	struct happy_meal *hp = dev_get_drvdata(&op->dev);
+	struct happy_meal *hp = platform_get_drvdata(op);
 	struct net_device *net_dev = hp->dev;
 
 	unregister_netdev(net_dev);