drm/amd/display: implement bounding box update based on uclk breakdown

[why]
Actual breakdown of DPM level varies by SKU (for the same family)
DC needs some ability to ammend pre-silicon numbers

Signed-off-by: Jun Lei <Jun.Lei@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>