ASoC: inno_rk3036: 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/20190727150738.54764-21-yuehaibing@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/inno_rk3036.c

@@ -405,7 +405,6 @@ static int rk3036_codec_platform_probe(struct platform_device *pdev)
 {
 	struct rk3036_codec_priv *priv;
 	struct device_node *of_node = pdev->dev.of_node;
-	struct resource *res;
 	void __iomem *base;
 	struct regmap *grf;
 	int ret;
@@ -414,8 +413,7 @@ static int rk3036_codec_platform_probe(struct platform_device *pdev)
 	if (!priv)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	base = devm_ioremap_resource(&pdev->dev, res);
+	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base))
 		return PTR_ERR(base);