Changeset 10022:6be85e163055
---------------------------
ruby: Add bridges between RubyPort and NoncoherentBus

This patch adds bridges between the PIO port of the Ruby sequencers
(based on RubyPort) and the PIO bus (based on NoncoherentBus). Both
the RubyPort and the bus are multiplexing components, and as such,
they should be connected by a bridge, similar to the memory bus and
PIO bus in the classic memory system.

The patch http://reviews.gem5.org/r/2039/ depends on this one.

All regressions pass (with some minor stats changes)