i3c: master: Add of_node_put() before return

Each iteration of for_each_available_childe_of_node puts the previous
node, but in the case of a return from the middle of the loop, there
is no put, thus causing a memory leak. Add an of_node_put before the
return.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>

drivers/i3c/master.c

@@ -2048,9 +2048,11 @@ static int of_populate_i3c_bus(struct i3c_master_controller *master)
 
 	for_each_available_child_of_node(i3cbus_np, node) {
 		ret = of_i3c_master_add_dev(master, node);
-		if (ret)
+		if (ret) {
+			of_node_put(node);
 			return ret;
 		}
+	}
 
 	/*
 	 * The user might want to limit I2C and I3C speed in case some devices