msm_kcal_ctrl: squash faux123's generic MSM LCD temperature calibrations
drivers/video/msm: restore update_lcdc_lut capabilities for MDP devices

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

Conflicts:
	arch/arm/mach-msm/asustek/flo/board-flo-display.c
	arch/arm/mach-msm/include/mach/board.h
defconfig: disable lge kcal and enable msm_kcal_ctrl
msm_kcal_ctrl: fix bootloop on V500
use "extern" and "EXPORT_SYMBOL" instead of redirecting the function.