Revert "initial backport of f2fs from https://github.com/nowcomputing/f2fs-backports"

This reverts commit d8804517a9e9a4784675061590fcce1f5476ee63.
msm_turbo: initial coding for turbo boost on MSM architectures

adapted for 8974 arch

Signed-off-by: Paul Reioux <reioux@gmail.com>

Conflicts:
	arch/arm/mach-msm/Makefile

Conflicts:
	drivers/staging/android/lowmemorykiller.c