drm/amd/pm: update the hw initialization sequence around pptable setup

Place pptable setup after smu_set_driver_table_location. As under SCPM
enabled scenario, the latter one is a prerequisite for the former one.

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>