Sync interactive with caf upstream
Revert "gamma control: fix typo derp :("

This reverts commit a1d1a21a50ae5fa90679ddb1fa3cee01811cfdfe.
Revert "gamma control: add checksum to validate data integrity"

This reverts commit 584958f359395730efb55d38c35630d6c2630b77.
Revert "gamma control: fix wip code derps :p"

This reverts commit 5f111b62029a21cec47e7ebe9654e1bc8c4d2aff.
Revert "gamma control: WIP expose gamma parameters to sysfs interface"

This reverts commit ad153426333fab9cd127c133dc79275f329298d1.
video: msm: Expose gamma table to sysfs

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