ruby: Re-enabled orion power models

Removed the dummy power function implementations so that Orion can implement
them correctly.  Since Orion lacks modular design, this patch simply enables
scons to compile it.  There are no python configuration changes in this patch.

src/mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.hh

@@ -53,8 +53,8 @@ public:
         int get_id(){return m_id;}
         void wakeup();
 
-    double calculate_offline_power(power_bus*) { return 0.0; }
-    double calculate_power() { return 0.0; }
+    double calculate_offline_power(power_bus*);
+    double calculate_power();
 
         inline bool isReady()
         {

src/mem/ruby/network/garnet/fixed-pipeline/Router_d.hh

@@ -74,11 +74,8 @@ public:
         void swarb_req();
 
         void power_router_initialize(power_router *router, power_router_info *info);
-    double calculate_power() { return 0.0; }
-    double calculate_offline_power(power_router*, power_router_info*)
-    {
-        return 0.0;
-    }
+    double calculate_power();
+    double calculate_offline_power(power_router*, power_router_info*);
         void calculate_performance_numbers();
 
 private:

src/mem/ruby/network/orion/NetworkPower.cc

@@ -35,9 +35,9 @@
 #include "mem/ruby/network/orion/power_arbiter.hh"
 #include "mem/ruby/network/orion/power_bus.hh"
 #include "mem/ruby/network/orion/NetworkPower.hh"
-#include "mem/ruby/network/garnet-fixed-pipeline/Router_d.hh"
-#include "mem/ruby/network/garnet-fixed-pipeline/NetworkLink_d.hh"
-#include "mem/ruby/network/garnet-fixed-pipeline/GarnetNetwork_d.hh"
+#include "mem/ruby/network/garnet/fixed-pipeline/Router_d.hh"
+#include "mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.hh"
+#include "mem/ruby/network/garnet/fixed-pipeline/GarnetNetwork_d.hh"
 #include "mem/ruby/network/orion/SIM_port.hh"
 #include "mem/ruby/network/orion/parm_technology.hh"
 

src/mem/ruby/network/orion/SConscript

@@ -30,9 +30,6 @@
 
 Import('*')
 
-# temporarily disable
-Return()
-
 if not env['RUBY']:
     Return()