drm/tegra: sor: Convert to devm_platform_ioremap_resource()

Use devm_platform_ioremap_resource() to simplify code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230710032355.72914-16-frank.li@vivo.com

drivers/gpu/drm/tegra/sor.c

@@ -3708,7 +3708,6 @@ static int tegra_sor_probe(struct platform_device *pdev)
 {
 	struct device_node *np;
 	struct tegra_sor *sor;
-	struct resource *regs;
 	int err;
 
 	sor = devm_kzalloc(&pdev->dev, sizeof(*sor), GFP_KERNEL);
@@ -3781,8 +3780,7 @@ static int tegra_sor_probe(struct platform_device *pdev)
 		}
 	}
 
-	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	sor->regs = devm_ioremap_resource(&pdev->dev, regs);
+	sor->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(sor->regs)) {
 		err = PTR_ERR(sor->regs);
 		goto remove;