drm/amdgpu: add timestamp counter query support for yellow carp

Allows software to query HW counters to timestamp submissions.
This patch can address KFDPerfCountersTest.

Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: chen gong <curry.gong@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>