clk: meson: migrate to devm_of_clk_add_hw_provider API

There is a protential memory leak, as of_clk_del_provider is
never called if of_clk_add_hw_provider has been executed.
Fix this by using devm variant API.

Fixes: f8c11f79 ("clk: meson: Add GXBB AO Clock and Reset controller driver")
Suggested-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Yixun Lan <yixun.lan@amlogic.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>

drivers/clk/meson/gxbb-aoclk.c

@@ -191,7 +191,7 @@ static int gxbb_aoclkc_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
+	return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
 			&gxbb_aoclk_onecell_data);
 }