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>
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index 09a9980..aced38c 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -211,6 +211,9 @@
 	mutex_unlock(&dev->device_lock);
 
 	flush_scheduled_work();
+
+	mei_watchdog_unregister(dev);
+
 }