Simple switchable mdnie lite control interface

- make hijacking STANDARD mode sysfs switchable, disabled by default (Yank555.lu)
- add copy curve information from existing mode
- add copy full mode from existing mode

Sysfs Interface : /sys/class/mdnie/mdnie/...
mdnie lite control: adjust calibration (WhatHub)

Slightly adapted to keep copy_mode (Yank555.lu)
mdnie lite control: override for all samsung scenarios and profiles (WhatHub)

Slightly adapted to keep copy_mode (Yank555.lu)
mdnie lite control: add single control for black level

Slightly adapted to keep copy_mode (Yank555.lu)
Black kept at 0 by default as Natural is kept as base calibration (Yank555.lu)
mdnie lite control: update single control for black level

Black is applied as a delta to actual black RGB values (-128 to +128)