i3c: master: dw: convert to devm_platform_ioremap_resource

Use devm_platform_ioremap_resource() to simplify code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Acked-by: Vitor Soares <vitor.soares@synopsys.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>

drivers/i3c/master/dw-i3c-master.c

@@ -1100,15 +1100,13 @@ static const struct i3c_master_controller_ops dw_mipi_i3c_ops = {
 static int dw_i3c_probe(struct platform_device *pdev)
 {
 	struct dw_i3c_master *master;
-	struct resource *res;
 	int ret, irq;
 
 	master = devm_kzalloc(&pdev->dev, sizeof(*master), GFP_KERNEL);
 	if (!master)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	master->regs = devm_ioremap_resource(&pdev->dev, res);
+	master->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(master->regs))
 		return PTR_ERR(master->regs);