Explicitly add new parameters: "retrigger_ratio", "retrigger_delay", "check_for_ir". Tweak other parameters to suit algorithm changes. (Though existing tuning files should still work acceptably.) Add AfSpeedFast parameters for the Raspberry Pi V3 standard lens. Signed-off-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com> Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: Naushir Patuck <naush@raspberrypi.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>