FS: import F2FS

Signed-off-by: Paul Reioux <reioux@gmail.com>
f2fs: data: AIO optimization compatibility fixup

Signed-off-by: Paul Reioux <reioux@gmail.com>
android: logger: reduce to 128k the size of logger device
arch: arm: remove tracer support
Enabled zcache by Default
msm8x27: enable f2fs in defconfig
Added optimized ARM RWSEM algorithm.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
Overclock to 1.6 Ghz

Change-Id: I133d4150c9ecfd304d01a4ab8caccd5d001b58b7
Revert "Overclock to 1.6 Ghz"

This reverts commit 4d783c3f36db8f91c81248db9211ff591645cb53.