linux-phytec-fsl

drm/ttm: wait for eviction in ttm_bo_force_list_clean

Now that we can pipeline evictions we need to wait for
them to finish when we cleanup a memory domain.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>