The smu firmware is loaded by the sbios on APUs, so query it from the smu and save the smu fw version info that is reported to userspace. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>