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/gtco.c b/drivers/usb/input/gtco.c
index 75cce2a..dbd207e 100644
--- a/drivers/usb/input/gtco.c
+++ b/drivers/usb/input/gtco.c
@@ -952,7 +952,7 @@
 
 	/* Set input device required ID information */
 	usb_to_input_id(gtco->usbdev, &input_dev->id);
-	input_dev->cdev.dev = &usbinterface->dev;
+	input_dev->dev.parent = &usbinterface->dev;
 
 	/* Setup the URB, it will be posted later on open of input device */
 	endpoint = &usbinterface->altsetting[0].endpoint[0].desc;