drm/amdgpu: use ttm_resource_manager_cleanup
Rather than open-coding it.
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://lore.kernel.org/r/20251121101315.3585-3-pierre-eric.pelloux-prayer@amd.com
Signed-off-by: Christian König <christian.koenig@amd.com>
authored by