Photographs purportedly showing white front panels for a next-generation iPod touch have been posted online. 9 to 5 Mac reports that the pieces are supposedly digitizer components, based on information received from the iFixYouri repair shop, and appear to be for the fourth-generation model, with two holes for the FaceTime camera and front sensors, respectively. The report notes that the parts could be for a cancelled white 4G model, or parts for…