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/aiptek.c b/drivers/usb/input/aiptek.c
index 8b33a8e..cc0a498 100644
--- a/drivers/usb/input/aiptek.c
+++ b/drivers/usb/input/aiptek.c
@@ -2044,7 +2044,7 @@
 	inputdev->name = "Aiptek";
 	inputdev->phys = aiptek->features.usbPath;
 	usb_to_input_id(usbdev, &inputdev->id);
-	inputdev->cdev.dev = &intf->dev;
+	inputdev->dev.parent = &intf->dev;
 
 	input_set_drvdata(inputdev, aiptek);