drm/amd/pm: update smu11 driver interface header for beige_goby

Use new struct name to identify beige_goby pptable
due to extra added fields.

v2: squash in updates (Alex)

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Jiansong Chen <Jiansong.Chen@amd.com>
Reviewed-by: Evan Quan <Evan.Quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>