for VI smc, index_0 to index_8 are all not safe,
they may used by BIOS/FW, and index_11 is reserved
only for driver.
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>