s6e63m0: new driver for the display!

ported from official kernel source of SGSII (SGH-T989)
ariesve: less warning in board file!
Updated light sensor driver and display driver
light sensor changes:
updated driver from SGSII (SGH-T989)
added fix for zero value problem

display changes:
changed bl-gamma level conversion now is much better (taken from a more recent driver source of Note2, also to make it easier to adjust brightness sensor lux)
fixed max brightness problem
added one missing lowest brightness level (gamma20)
re-added acl cutoff from stock driver
ariesve: Initialize TV Encoder only if TV Out config option has been enabled
ariesve: Fixed display regulators init
video: Power management support on S6E63M0 display driver
ariesve: fixed double activation of the regulators of the display