Changeset 9102:af67b97a5ccb
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Port: Hide the queue implementation in SimpleTimingPort

This patch makes the queue implementation in the SimpleTimingPort
private to avoid confusion with the protected member queue in the
QueuedSlavePort. The SimpleTimingPort provides the queue_impl to the
QueuedSlavePort and it can be accessed via the reference in the base
class. The use of the member name queue is thus no longer overloaded.

util/regress all passing (disregarding t1000 and eio)