Changeset 9075:04e848b767d7
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Bus: Make the default bus width 8 bytes instead of 64

This patch changes the default bus width to a more sensible 8 bytes
(64 bits), which is in line with most on-chip buses. Although there
are cases where a wider or narrower bus is useful, the 8 bytes is a
good compromise to serve as the default.

This patch changes essentially all statistics, and will be bundled
with the outstanding changes to the bus.

util/regress all running and producing the right output (disregarding t1000 and eio) but with essentially all timing tests exhibiting stat differences