add the T2 camera wrapper

including all the newest fixes by @epinter

Conflicts:

	BoardConfig.mk
	p990.mk

Change-Id: If7b5a72f831fd8817850912bc3c24b51d986419b

Conflicts:
	BoardConfig.mk
fix front camera orientation
set permissions

Change-Id: I30e51f4bdf26ad3cc7da105e1de5faaf076d0ac3