ata: ahci_tegra: Convert to devm_platform_ioremap_resource()

Use devm_platform_ioremap_resource() to simplify code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>

drivers/ata/ahci_tegra.c

@@ -530,8 +530,7 @@ static int tegra_ahci_probe(struct platform_device *pdev)
 	tegra->pdev = pdev;
 	tegra->soc = of_device_get_match_data(&pdev->dev);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	tegra->sata_regs = devm_ioremap_resource(&pdev->dev, res);
+	tegra->sata_regs = devm_platform_ioremap_resource(pdev, 1);
 	if (IS_ERR(tegra->sata_regs))
 		return PTR_ERR(tegra->sata_regs);