remoteproc: st_slim: Use devm_platform_ioremap_resource_byname()

platform_get_resource_byname() and devm_ioremap_resource() can be
replaced by devm_platform_ioremap_resource_byname(), which can
simplify the code logic a bit, No functional change here.
Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Link: https://lore.kernel.org/r/20240906113405.92782-2-zhangzekun11@huawei.com
[Fixed patch title]
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

drivers/remoteproc/st_slim_rproc.c

@@ -259,16 +259,14 @@ struct st_slim_rproc *st_slim_rproc_alloc(struct platform_device *pdev,
 		slim_rproc->mem[i].size = resource_size(res);
 	}
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "slimcore");
-	slim_rproc->slimcore = devm_ioremap_resource(dev, res);
+	slim_rproc->slimcore = devm_platform_ioremap_resource_byname(pdev, "slimcore");
 	if (IS_ERR(slim_rproc->slimcore)) {
 		dev_err(&pdev->dev, "failed to ioremap slimcore IO\n");
 		err = PTR_ERR(slim_rproc->slimcore);
 		goto err;
 	}
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "peripherals");
-	slim_rproc->peri = devm_ioremap_resource(dev, res);
+	slim_rproc->peri = devm_platform_ioremap_resource_byname(pdev, "peripherals");
 	if (IS_ERR(slim_rproc->peri)) {
 		dev_err(&pdev->dev, "failed to ioremap peripherals IO\n");
 		err = PTR_ERR(slim_rproc->peri);