drm/amd/display: Stereo 3D support in VSC

[Why]
Need to add strere 3D information in VSC

[How]
Update mod_build_vsc_infopacket with stereo info

Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>