mei: unregister watchdog from mei_stop function

we need to unregister watchdog device both in suspend and remove
as the registration is recreated on reset

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/mei/init.c

@@ -211,6 +211,9 @@ void mei_stop(struct mei_device *dev)
 	mutex_unlock(&dev->device_lock);
 
 	flush_scheduled_work();
+
+	mei_watchdog_unregister(dev);
+
 }