Revert "mako: Add saturation control to gamma calibration"

This reverts commit de2cc9123bdff16fbdef158aec9be9b6e0499dad.
Revert "mako: Add overlay for gamma control semantics"

This reverts commit dd74f50750d8e561f3e028f04090bc81b46692b2.
Merge remote-tracking branch 'upstream/jb43' into jb43