LGE files: regulator API reverted back to vreg.c

Change-Id: I70dda1e8cb33f8821126bbab50f4cee2efa8e387
Signed-off-by: Randolf Kastenmaier <randolf.kastenmaier@gmail.com>

LED: enable HW button backlights

Change-Id: Ib081f011e6364d28087febb83ae87c15098b20eb
Signed-off-by: Randolf Kastenmaier <randolf.kastenmaier@gmail.com>

Fix regulator voltages for:

display(ldo09,ldo11)
touchscreen(ldo08)
accelerometer(ldo00)
proximity & ecompass (ldo15)

I didn't change mmc(ldo05)
It is used by board-mmc, and board-camera
Keep vreg.c for mmc?

Change-Id: I0ce45e58655b8343393d74746650f7a2ef31d73e

Add support for Novatek

Change-Id: I6256fa409084169991828f8b1fdf57fff6b42381