24.22.4.2.21. TimingSimpleCPU analysis #21

Schedules BaseXBar::Layer<SrcType, DstType>::releaseLayer through:

EventManager::schedule
BaseXBar::Layer<MasterPort, SlavePort>::occupyLayer
BaseXBar::Layer<MasterPort, SlavePort>::succeededTiming
CoherentXBar::recvTimingResp
CoherentXBar::CoherentXBarMasterPort::recvTimingResp
TimingResponseProtocol::sendResp
SlavePort::sendTimingResp
RespPacketQueue::sendTiming
PacketQueue::sendDeferredPacket
PacketQueue::processSendEvent