usb: fotg210-udc: 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: Libo Chen <libo.chen@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/gadget/fotg210-udc.c

@@ -1076,7 +1076,7 @@ static struct usb_gadget_ops fotg210_gadget_ops = {
 
 static int fotg210_udc_remove(struct platform_device *pdev)
 {
-	struct fotg210_udc *fotg210 = dev_get_drvdata(&pdev->dev);
+	struct fotg210_udc *fotg210 = platform_get_drvdata(pdev);
 
 	usb_del_gadget_udc(&fotg210->gadget);
 	iounmap(fotg210->reg);
@@ -1134,7 +1134,7 @@ static int fotg210_udc_probe(struct platform_device *pdev)
 
 	spin_lock_init(&fotg210->lock);
 
-	dev_set_drvdata(&pdev->dev, fotg210);
+	platform_set_drvdata(pdev, fotg210);
 
 	fotg210->gadget.ops = &fotg210_gadget_ops;