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/ati_remote2.c b/drivers/usb/input/ati_remote2.c
index 3c38ac6..a9032aa 100644
--- a/drivers/usb/input/ati_remote2.c
+++ b/drivers/usb/input/ati_remote2.c
@@ -362,7 +362,7 @@
 	idev->phys = ar2->phys;
 
 	usb_to_input_id(ar2->udev, &idev->id);
-	idev->cdev.dev = &ar2->udev->dev;
+	idev->dev.parent = &ar2->udev->dev;
 
 	retval = input_register_device(idev);
 	if (retval)