drm/amd/pm: enable the support for retrieving combo pptable

We need to relay on this way to get the raw PPTable when
SCPM feature is enabled.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
3 files changed