ruby: replaces Time with Cycles in many places

The patch started of with replacing Time with Cycles in the Consumer class.
But to get ruby to compile, the rest of the changes had to be carried out.
Subsequent patches will further this process, till we completely replace
Time with Cycles.

src/mem/ruby/network/BasicLink.py

@@ -34,7 +34,7 @@ class BasicLink(SimObject):
     type = 'BasicLink'
     cxx_header = "mem/ruby/network/BasicLink.hh"
     link_id = Param.Int("ID in relation to other links")
-    latency = Param.Int(1, "latency")
+    latency = Param.Cycles(1, "latency")
     # The following banwidth factor does not translate to the same value for
     # both the simple and Garnet models.  For the most part, the bandwidth
     # factor is the width of the link in bytes, expect for certain situations