GPU Simple Governor: adapt GPU Simple Governor for Snapdrgaon 800 SOCs

initial coding for a Simple GPU governor based on my own work 2 years ago
from Sensation GB kernel commit: c1ea8f6

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

Conflicts:

	drivers/gpu/msm/kgsl_pwrscale_trustzone.c
Simple GPU governor: fix a merge derp

Signed-off-by: Paul Reioux <reioux@gmail.com>
Update defconfig
ARM: unalgined access: disable ARM unaligned access

Samsung's surfaceflinger is causing unexpected alignment trap
exceptions.  This shouldn't happen but it did :(

Disable for now pending further investigations

Signed-off-by: Paul Reioux <reioux@gmail.com>
mdss: implement panel color control

Adapted and modified work by CM-10.2, morfic and ktoonsez
- what a pain this was to make it work on hlte

    Creates a syfs interface here:
	/sys/class/lcd/panel/panel_colors

    Will accept 0-4 for parameters:
      0 - Cold (more blues)
      1 - Cool
      2 - Normal (stock colors)
      3 - Warm
      4 - Hot (more reds)

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