91468057d3
Remove some functions due to the design change. All the mmhub power gating sequence is moved to smu fw.Driver sends the message to enable mmhub powergating.We can also skip the fw version check since the old fw version is in a very early stage and we don't use that fw for release. Signed-off-by: Kenneth Feng <kenneth.feng@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>