[media] Staging/media: Use dev_ printks in go7007/go7007-v4l2.c

fixed below checkpatch warning.
- WARNING: Prefer netdev_info(netdev, ... then dev_info(dev, ... then pr_info(...  to printk(KERN_INFO ...
Signed-off-by: YAMANE Toshiaki <yamanetoshi@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/staging/media/go7007/go7007-v4l2.c

@@ -1811,8 +1811,8 @@ int go7007_v4l2_init(struct go7007 *go)
 	}
 	video_set_drvdata(go->video_dev, go);
 	++go->ref_count;
-	printk(KERN_INFO "%s: registered device %s [v4l2]\n",
-	       go->video_dev->name, video_device_node_name(go->video_dev));
+	dev_info(go->dev, "registered device %s [v4l2]\n",
+		 video_device_node_name(go->video_dev));
 
 	return 0;
 }