drm/amd/pm: enable memory temp reading for SMU 13.0.0

With the latest vbios, the memory temp reading is working.

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>