video: msm: Expose gamma table to sysfs

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
video: Apply gamma values when they changed

Thanks to CM team (rmcc)

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
msm: mipi_lgit: Update lcd_isactive variable at the end of on function

Trying to prevent (more) from kernel panics during updating gamma
values.

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>