This reverts commit a7f91061.

Felix pointed out that we need to have the BOs mapped even before
amdgpu_vm_update_directories is called.
Signed-off-by: NChristian König <christian.koenig@amd.com>
Acked-by: NJunwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>