pinctrl: pistachio: Use devm_pinctrl_register() for pinctrl registration

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

drivers/pinctrl/pinctrl-pistachio.c

@@ -1457,7 +1457,7 @@ static int pistachio_pinctrl_probe(struct platform_device *pdev)
 	pistachio_pinctrl_desc.pins = pctl->pins;
 	pistachio_pinctrl_desc.npins = pctl->npins;
 
-	pctl->pctldev = pinctrl_register(&pistachio_pinctrl_desc, &pdev->dev,
+	pctl->pctldev = devm_pinctrl_register(&pdev->dev, &pistachio_pinctrl_desc,
 					      pctl);
 	if (IS_ERR(pctl->pctldev)) {
 		dev_err(&pdev->dev, "Failed to register pinctrl device\n");