linux-phytec-fsl

drm/i915/gvt: Enable the shadow batch buffer

Shadow batch buffer is used to shadow the privileged batch
buffer which is submitted by vGPU's workload. This patch is
used to unmark this functionality.

Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>