media: am437x: 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 <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/platform/am437x/am437x-vpfe.c

···
 	struct vpfe_config *vpfe_cfg;
 	struct vpfe_device *vpfe;
 	struct vpfe_ccdc *ccdc;
-	struct resource	*res;
 	int ret;
 
 	vpfe = devm_kzalloc(&pdev->dev, sizeof(*vpfe), GFP_KERNEL);
···
 	vpfe->cfg = vpfe_cfg;
 	ccdc = &vpfe->ccdc;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ccdc->ccdc_cfg.base_addr = devm_ioremap_resource(&pdev->dev, res);
+	ccdc->ccdc_cfg.base_addr = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ccdc->ccdc_cfg.base_addr)) {
 		ret = PTR_ERR(ccdc->ccdc_cfg.base_addr);
 		goto probe_out_cleanup;