For Sienna_Cichlid, PMFW will handle the features disablement on BACO in. No
need to have driver stepped in.

V2: limit this for baco really
Signed-off-by: NEvan Quan <evan.quan@amd.com>
Reviewed-by: NLikun Gao <Likun.Gao@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>