bus changes

src/mem/bus.cc:
src/mem/bus.hh:
    minor fix and some formatting changes
src/python/m5/objects/Bus.py:
    changed bits to bytes

--HG--
extra : convert_revision : dcd22205604b7a2727eaf2094084c4858f3589c5

src/python/m5/objects/Bus.py

@@ -7,4 +7,4 @@ class Bus(MemObject):
     default = Port("Default port for requests that aren't handeled by a device.")
     bus_id = Param.Int(0, "blah")
     clock = Param.Clock("1GHz", "bus clock speed")
-    width = Param.Int(64, "bus width (bits)")
+    width = Param.Int(64, "bus width (bytes)")