Tune CPU boost

Change-Id: I8e7ca1b0a8fd349db6c7664e59f0c4ce50c5d303
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>
Set Read Ahead to 512k by default

Change-Id: I7b24c133b5470b0f4d9108a2a2025a3426c0d65e
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>
Merge branch 'kk4.4' of https://github.com/SlimRoms/device_lge_mako into kk4.4