drm/amd/display: HDR Enablement For Applications

- Made sure dest color space is updated in stream and info frame
- Optimized segment distribution algorithm for regamma mapping

Signed-off-by: Amy Zhang <Amy.Zhang@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>