Add function to flush caches

Related-To: NEO-2536

Change-Id: Ifbf7e7a42514dd66eb0914f9d13407287481e123
Signed-off-by: Maciej Plewka <maciej.plewka@intel.com>

runtime/command_queue/enqueue_resource_barrier.h

@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2019 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#pragma once
+#include "runtime/command_queue/command_queue_hw.h"
+
+namespace NEO {
+
+template <typename GfxFamily>
+cl_int CommandQueueHw<GfxFamily>::enqueueResourceBarrier(BarrierCommand *resourceBarrier,
+                                                         cl_uint numEventsInWaitList,
+                                                         const cl_event *eventWaitList,
+                                                         cl_event *event) {
+    return CL_SUCCESS;
+}
+} // namespace NEO