drm/amd/display: Updates SubVP and SubVP DRR cases

[Description]
- For any DRR cases in SubVP, don't lock for VSYNC flips
- For DCN32/321 use FW to do DRR manual trigger programming
- Add bit in SubVP cmd to indicate if the SubVP pipe is DRR

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>