Simple switchable mdnie lite control interface

- make hijacking STANDARD mode sysfs switchable
- add copy curve information from existing mode
- add copy full mode from existing mode

Activate the MDNIE control (hijack STANDARD mode):
echo 1 > /sys/devices/virtual/mdnie/mdnie/hijack

Copy system profile to user configurable profile:
echo x > /sys/devices/virtual/mdnie/mdnie/copy_mode

Copy system gain curves only to user configurable profile:
echo x > /sys/devices/virtual/mdnie/mdnie/copy_curve

where X equals :
- 0. Dynamic
- 1. Standard (Lite control)
- 2. Natural (Professional photo)
- 3. Movie
- 4. Auto (Adapt display)

modified by WhatHub