Implement the core of libtuning, our new tuning tool infrastructure. It
leverages components from raspberrypi's ctt that could be reused for
tuning tools for other platforms.
The core components include:
- The Image class
- libtuning (entry point and other core functions)
- macbeth-related tools, including the macbeth reference image
- utils
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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