Revert "Hardware updates"

This reverts commit 36353e825744d4bb8cbacc09574cbcaa9c021fa3.

Conflicts:
	exynos4/hal/include/sec_utils.h
	exynos4/hal/libgralloc_ump/Android.mk
	exynos4/hal/libgralloc_ump/alloc_device.cpp