msm_kcal_ctrl: initial code for generic MSM LCD temperature calibrations

this should be compatible with all MDP devices from Qualcomm

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: flar2 <asegaert@gmail.com>
Signed-off-by: Pafcholini <pafcholini@gmail.com>

Conflicts:

	arch/arm/mach-msm/Makefile