exynos4: update media headers

Change-Id: Ia6221554d290c46f11c68e276dda41c8ebe3a7ab
exynos3: power: Tuning and cleanups

* Tune the governor for better power usage and interactivity
* Reset tuning parameters if governor changes
* Cleanup

Change-Id: Ibe60ece836a0e56ba58e109bbea26cbd54d75421
exynos4: Add open source libsecion.

This libsecion is reverse engineered from the libsecion.so blob and then
written based on the Exynos 5 libion available in AOSP.

Change-Id: Ibe69047c78491e3c7f3173b18fcabdf327fcfbd0
Signed-off-by: angelsl <hidingfromhidden@gmail.com>
exynos4210: lights: add missing brightness check

Change-Id: I7d307fbfe7581bfa76e7f4f6ce50f759683bf9dc
exynos3: power: set cpu max frequency to 400MHz when screen is off

Change-Id: I40847eb9c145d9722dfd24a22f1bb5099584f2d6