Backed out changeset 94a7bb476fca: caused memory leak.

src/mem/cache/cache_impl.hh

@@ -105,14 +105,13 @@ Cache<TagStore>::getPort(const std::string &if_name, int idx)
 }
 
 template<class TagStore>
-bool
-Cache<TagStore>::deletePort(Port *p)
+void
+Cache<TagStore>::deletePortRefs(Port *p)
 {
     if (cpuSidePort == p || memSidePort == p)
         panic("Can only delete functional ports\n");
 
     delete p;
-    return true;
 }