Input: twl4030-vibra - add missing of_node_put

We should drop reference to twl6040_core_node device_node once we are done
using it.

Signed-off-by: Libo Chen <libo.chen@huawei.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/misc/twl4030-vibra.c

@@ -185,8 +185,10 @@ static bool twl4030_vibra_check_coexist(struct twl4030_vibra_data *pdata,
 	if (pdata && pdata->coexist)
 		return true;
 
-	if (of_find_node_by_name(node, "codec"))
+	if (of_find_node_by_name(node, "codec")) {
+		of_node_put(node);
 		return true;
+	}
 
 	return false;
 }