drm/amdgpu: Add table_freed parameter to amdgpu_vm_bo_update

It is to pass the flag to KFD, and optimize table_freed in
amdgpu_vm_bo_update_mapping.

Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>