pinctrl: ocelot: combine get resource and ioremap into single call

Simple cleanup to make two function calls only one.
Signed-off-by: NColin Foster <colin.foster@in-advantage.com>
Link: https://lore.kernel.org/r/20211119195928.2498441-2-colin.foster@in-advantage.comSigned-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-ocelot.c

@@ -1761,7 +1761,6 @@ static int ocelot_pinctrl_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct ocelot_pinctrl *info;
 	void __iomem *base;
-	struct resource *res;
 	int ret;
 	struct regmap_config regmap_config = {
 		.reg_bits = 32,
@@ -1794,8 +1793,7 @@ static int ocelot_pinctrl_probe(struct platform_device *pdev)
 
 	/* Pinconf registers */
 	if (info->desc->confops) {
-		res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-		base = devm_ioremap_resource(dev, res);
+		base = devm_platform_ioremap_resource(pdev, 0);
 		if (IS_ERR(base))
 			dev_dbg(dev, "Failed to ioremap config registers (no extended pinconf)\n");
 		else