iFixit has posted its teardown of Apple’s latest low-cost iPad model. Dubbing it the “iPad 6” in its teardown, iFixit’s analysis of the sixth-generation iPad reveals a device that’s mostly just a lightly upgraded model of last year’s fifth-gneration iPad, with the Apple A10 Fusion CPU and a new “Pro-grade” Broadcom BCM15900B0 touchscreen controller providing Apple Pencil support — the same chip found…