ASoC: uniphier: evea: 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/20190727150738.54764-22-yuehaibing@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/uniphier/evea.c

@@ -451,7 +451,6 @@ static const struct regmap_config evea_regmap_config = {
 static int evea_probe(struct platform_device *pdev)
 {
 	struct evea_priv *evea;
-	struct resource *res;
 	void __iomem *preg;
 	int ret;
 
@@ -475,8 +474,7 @@ static int evea_probe(struct platform_device *pdev)
 	if (IS_ERR(evea->rst_exiv))
 		return PTR_ERR(evea->rst_exiv);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	preg = devm_ioremap_resource(&pdev->dev, res);
+	preg = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(preg))
 		return PTR_ERR(preg);