soc: fsl: guts: Make use of the helper function devm_platform_ioremap_resource()

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>

drivers/soc/fsl/guts.c

@@ -140,7 +140,6 @@ static int fsl_guts_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 	const struct fsl_soc_die_attr *soc_die;
 	const char *machine;
 	u32 svr;
@@ -152,8 +151,7 @@ static int fsl_guts_probe(struct platform_device *pdev)
 
 	guts->little_endian = of_property_read_bool(np, "little-endian");
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	guts->regs = devm_ioremap_resource(dev, res);
+	guts->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(guts->regs))
 		return PTR_ERR(guts->regs);