drm/amd/display: Update BW alloc after new DMUB logic

[WHY]
After introducing new DPIA NOTIFICATION we will need
to update the exiting BW allocation logic

[HOW]
Updated the BW alloc source and header files

Tested-by: Daniel Wheeler <Daniel.Wheeler@amd.com>
Reviewed-by: Meenakshikumar Somasundaram <Meenakshikumar.Somasundaram@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Mustapha Ghaddar <mghaddar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>