Following the discovery that the third-generation Apple TV actually uses a new, 32nm dual-core revision of the A5 processor—with one of its cores disabled or otherwise non-functional—it has been revealed that new iPad 2 units are being built using the same processor. AnandTech reports that multiple references to the S5L8942 system-on-a-chip—the technical name for the revised A5—can be found in the iOS 5.1 restore image for…