w1: omap-hdq: 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/20190802135010.24052-1-yuehaibing@huawei.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/w1/masters/omap_hdq.c

@@ -660,7 +660,6 @@ static int omap_hdq_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct hdq_data *hdq_data;
-	struct resource *res;
 	int ret, irq;
 	u8 rev;
 	const char *mode;
@@ -674,8 +673,7 @@ static int omap_hdq_probe(struct platform_device *pdev)
 	hdq_data->dev = dev;
 	platform_set_drvdata(pdev, hdq_data);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	hdq_data->hdq_base = devm_ioremap_resource(dev, res);
+	hdq_data->hdq_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(hdq_data->hdq_base))
 		return PTR_ERR(hdq_data->hdq_base);