Update sienna_cichlid driver if header and related files.
Support new smu metrics for pre & postDS frequency.
Signed-off-by: NLikun Gao <Likun.Gao@amd.com>
Reviewed-by: NKenneth Feng <kenneth.feng@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>