pinctrl: lantiq: Use devm_pinctrl_register() for pinctrl registration

Use devm_pinctrl_register() for pin control registration.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-lantiq.c

@@ -336,7 +336,7 @@ int ltq_pinctrl_register(struct platform_device *pdev,
 	desc->pmxops = &ltq_pmx_ops;
 	info->dev = &pdev->dev;
 
-	info->pctrl = pinctrl_register(desc, &pdev->dev, info);
+	info->pctrl = devm_pinctrl_register(&pdev->dev, desc, info);
 	if (IS_ERR(info->pctrl)) {
 		dev_err(&pdev->dev, "failed to register LTQ pinmux driver\n");
 		return PTR_ERR(info->pctrl);