1,Changes on virtualization detections
2,Don't load smu & mc firmware if using sr-iov bios
3,skip vPost for sriov & force vPost if dev pass-through

v2: agd: squash in Rays's fix for the missed SI case
v3: agd: squash in additional fixes for CIK, SI, cleanup
Signed-off-by: NMonk Liu <Monk.Liu@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>