ASoC: tegra: use devm_platform_ioremap_resource() to simplify code

Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20190904083909.18804-1-yuehaibing@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/tegra/tegra30_ahub.c

@@ -511,7 +511,7 @@ static int tegra30_ahub_probe(struct platform_device *pdev)
 	const struct tegra30_ahub_soc_data *soc_data;
 	struct reset_control *rst;
 	int i;
-	struct resource *res0, *res1;
+	struct resource *res0;
 	void __iomem *regs_apbif, *regs_ahub;
 	int ret = 0;
 
@@ -587,8 +587,7 @@ static int tegra30_ahub_probe(struct platform_device *pdev)
 	}
 	regcache_cache_only(ahub->regmap_apbif, true);
 
-	res1 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	regs_ahub = devm_ioremap_resource(&pdev->dev, res1);
+	regs_ahub = devm_platform_ioremap_resource(pdev, 1);
 	if (IS_ERR(regs_ahub))
 		return PTR_ERR(regs_ahub);