clk: axm5516: 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/20230410014502.27929-2-lars@metafoo.deSigned-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/clk-axm5516.c

@@ -569,17 +569,11 @@ static int axmclk_probe(struct platform_device *pdev)
 			return ret;
 	}
 
-	return of_clk_add_hw_provider(dev->of_node, of_clk_axmclk_get, NULL);
-}
-
-static void axmclk_remove(struct platform_device *pdev)
-{
-	of_clk_del_provider(pdev->dev.of_node);
+	return devm_of_clk_add_hw_provider(dev, of_clk_axmclk_get, NULL);
 }
 
 static struct platform_driver axmclk_driver = {
 	.probe		= axmclk_probe,
-	.remove_new	= axmclk_remove,
 	.driver		= {
 		.name	= "clk-axm5516",
 		.of_match_table = axmclk_match_table,