kfdtest: Add event-based synchronization mechanism to queues

Wait4PacketConsumption now can accept an event to wait all packets subbmitted
to be processed.

Change-Id: I1497b7704e892b04d05811b8d3e4742237c1be57
Signed-off-by: xinhui pan <xinhui.pan@amd.com>

tests/kfdtest/src/BaseQueue.cpp

@@ -116,7 +116,8 @@ void BaseQueue::PlaceAndSubmitPacket(const BasePacket &packet) {
     SubmitPacket();
 }
 
-void BaseQueue::Wait4PacketConsumption() {
+void BaseQueue::Wait4PacketConsumption(HsaEvent *event) {
+    ASSERT_TRUE(!event) << "Not supported!" << std::endl;
     ASSERT_TRUE(WaitOnValue(m_Resources.Queue_read_ptr, RptrWhenConsumed()));
 }