gpio: nomadik: use devm_platform_ioremap_resource() helper

Replace calls to platform_get_resource() then devm_ioremap_resource() by
a single call to devm_platform_ioremap_resource().
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Link: https://lore.kernel.org/r/20240228-mbly-gpio-v2-17-3ba757474006@bootlin.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-nomadik.c

@@ -485,7 +485,6 @@ struct nmk_gpio_chip *nmk_gpio_populate_chip(struct device_node *np,
 	struct platform_device *gpio_pdev;
 	struct device *gpio_dev;
 	struct gpio_chip *chip;
-	struct resource *res;
 	struct clk *clk;
 	void __iomem *base;
 	u32 id;
@@ -525,8 +524,7 @@ struct nmk_gpio_chip *nmk_gpio_populate_chip(struct device_node *np,
 	chip->label = dev_name(gpio_dev);
 	chip->parent = gpio_dev;
 
-	res = platform_get_resource(gpio_pdev, IORESOURCE_MEM, 0);
-	base = devm_ioremap_resource(&pdev->dev, res);
+	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base)) {
 		platform_device_put(gpio_pdev);
 		return ERR_CAST(base);