Input: USB devices - switch to using input_dev->dev.parent

In preparation for struct class_device -> struct device input
core conversion, switch to using input_dev->dev.parent when
specifying device position in sysfs tree.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/usb/input/usbtouchscreen.c b/drivers/usb/input/usbtouchscreen.c
index 1696927..e082941 100644
--- a/drivers/usb/input/usbtouchscreen.c
+++ b/drivers/usb/input/usbtouchscreen.c
@@ -740,7 +740,7 @@
 	input_dev->name = usbtouch->name;
 	input_dev->phys = usbtouch->phys;
 	usb_to_input_id(udev, &input_dev->id);
-	input_dev->cdev.dev = &intf->dev;
+	input_dev->dev.parent = &intf->dev;
 
 	input_set_drvdata(input_dev, usbtouch);