clk: clk-hi655x: Free of_provider at remove

use devm variant for of_provider registration so provider is freed
at exit.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/clk-hi655x.c

@@ -107,8 +107,8 @@ static int hi655x_clk_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	return of_clk_add_hw_provider(parent->of_node, of_clk_hw_simple_get,
-				     &hi655x_clk->clk_hw);
+	return devm_of_clk_add_hw_provider(&pdev->dev, of_clk_hw_simple_get,
+					   &hi655x_clk->clk_hw);
 }
 
 static struct platform_driver hi655x_clk_driver = {