mmc: sdhci-pltfm: Use devm_platform_ioremap_resource() to simplify code

devm_platform_ioremap_resource() wraps platform_get_resource() and
devm_ioremap_resource() in a single helper, let's use that helper to
simplify the code.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci-pltfm.c

@@ -118,12 +118,10 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
 				    size_t priv_size)
 {
 	struct sdhci_host *host;
-	struct resource *iomem;
 	void __iomem *ioaddr;
 	int irq, ret;
 
-	iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ioaddr = devm_ioremap_resource(&pdev->dev, iomem);
+	ioaddr = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ioaddr)) {
 		ret = PTR_ERR(ioaddr);
 		goto err;