drm/amdgpu: add priv data to sched

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>

diff --cc drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
Simple merge

diff --cc drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
Simple merge

diff --cc drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
Simple merge