drm/amd/pm: Get metrics table version for smu_v13_0_12

Get metrics table version for smu_v13_0_12 and populate pm_metrics

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>