Revert "board: kcal: add init values or the display boots completely black."

This reverts commit 947aa6aca6e87a5513bf81f36b521c168bad0622.

Change-Id: Ifd4dbd27215d54825c4136fbe760ba1c4b9dcfb8
Revert "kcal: remove control bit, update lut every overlay start and clean some code."

This reverts commit 6568136498f36ff47ebd470621c866787dc4cb7b.

Change-Id: I42bf64bf4040680875baeafde04debd1b7795ec7