drm/amd/display: switch to new ODM policy for windowed MPO ODM support

We need to align windowed MPO ODM support on DCN3x with new ODM policy.

Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>