[media] omap3isp: Deprecate platform data support

Print a warning when the driver is used with platform data. Existing
platform data users should move to DT now.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/omap3isp/isp.c

@@ -2456,6 +2456,8 @@ static int isp_probe(struct platform_device *pdev)
 		isp->syscon = syscon_regmap_lookup_by_pdevname("syscon.0");
 		if (IS_ERR(isp->syscon))
 			return PTR_ERR(isp->syscon);
+		dev_warn(&pdev->dev,
+			 "Platform data support is deprecated! Please move to DT now!\n");
 	}
 
 	isp->autoidle = autoidle;