utils: raspberrypi: ctt: Update tuning tool for HDR

The various boilerplate parts of the tuning file are extended to
include the necessary extra bits for HDR, specifically:

* rpi.denoise has different configurations for HDR modes
* rpi.agc now has extra channels for HDR
* rpi.hdr parameters are added.

Signed-off-by: David Plowman <[email protected]>
Reviewed-by: Naushir Patuck <[email protected]>

Author: davidplowman