drm/amdgpu/pp: split out common smumgr smu9 code

Split out the shared smumgr code for vega10 and 12
so we don't have duplicate code for both.

Reviewed-by: Rex Zhu <rezhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
8 files changed