clk: hsdk-pll: Use managed `of_clk_add_hw_provider()`

Use the managed `devm_of_clk_add_hw_provider()` instead of
`of_clk_add_hw_provider()`.

This makes sure the provider gets automatically removed on unbind and
allows to completely eliminate the drivers `remove()` callback.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20230410014502.27929-5-lars@metafoo.deSigned-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/clk-hsdk-pll.c

@@ -346,13 +346,8 @@ static int hsdk_pll_clk_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	return of_clk_add_hw_provider(dev->of_node, of_clk_hw_simple_get,
-			&pll_clk->hw);
-}
-
-static void hsdk_pll_clk_remove(struct platform_device *pdev)
-{
-	of_clk_del_provider(pdev->dev.of_node);
+	return devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get,
+					   &pll_clk->hw);
 }
 
 static void __init of_hsdk_pll_clk_setup(struct device_node *node)
@@ -431,6 +426,5 @@ static struct platform_driver hsdk_pll_clk_driver = {
 		.of_match_table = hsdk_pll_clk_id,
 	},
 	.probe = hsdk_pll_clk_probe,
-	.remove_new = hsdk_pll_clk_remove,
 };
 builtin_platform_driver(hsdk_pll_clk_driver);