drm/amd/pm: Add u64 throttler status field to gpu_metrics

This patch set adds support for a new ASIC independant u64 throttler
status field (indep_throttle_status). Piggybacks off the
gpu_metrics_v1_3 bump and similarly bumps gpu_metrics_v2 version (to
v2_2) to add field.

Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>