ath9k_htc: Fix ethtool reporting

Pass the correct module name and device interface so that
ethtool can display the proper values.

The firmware version will be fixed later on when the FW
can actually report a version. :)
Reported-by: NRichard Farina <sidhayn@gmail.com>
Signed-off-by: NSujith Manoharan <Sujith.Manoharan@atheros.com>
Tested-by: NRichard Farina <sidhayn@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/hif_usb.c

@@ -1040,7 +1040,7 @@ static int ath9k_hif_usb_probe(struct usb_interface *interface,
 	}
 
 	ret = ath9k_htc_hw_init(hif_dev->htc_handle,
-				&hif_dev->udev->dev, hif_dev->device_id,
+				&interface->dev, hif_dev->device_id,
 				hif_dev->udev->product, id->driver_info);
 	if (ret) {
 		ret = -EINVAL;
@@ -1158,7 +1158,7 @@ static int ath9k_hif_usb_resume(struct usb_interface *interface)
 #endif
 
 static struct usb_driver ath9k_hif_usb_driver = {
-	.name = "ath9k_hif_usb",
+	.name = KBUILD_MODNAME,
 	.probe = ath9k_hif_usb_probe,
 	.disconnect = ath9k_hif_usb_disconnect,
 #ifdef CONFIG_PM