Revert "mako: Gamma control change checksum"

This reverts commit ec6f5b20b93ab8938c621f41f3f38127bbab305c.
Revert "mako: faux's Gamma Control"

This reverts commit 1c51b7037297a8cf4e8c571a7a8ce3c6d1cf9fb3.

Conflicts:
	drivers/video/msm/mipi_lgit.c