staging: netlogic: use devm_platform_ioremap_resource() to simplify code

Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20191016090136.20620-1-yuehaibing@huawei.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/netlogic/xlr_net.c

@@ -976,8 +976,7 @@ static int xlr_net_probe(struct platform_device *pdev)
 		priv->ndev = ndev;
 		priv->port_id = (pdev->id * 4) + port;
 		priv->nd = (struct xlr_net_data *)pdev->dev.platform_data;
-		res = platform_get_resource(pdev, IORESOURCE_MEM, port);
-		priv->base_addr = devm_ioremap_resource(&pdev->dev, res);
+		priv->base_addr = devm_platform_ioremap_resource(pdev, port);
 		if (IS_ERR(priv->base_addr)) {
 			err = PTR_ERR(priv->base_addr);
 			goto err_gmac;