Commented "id" parameter from transport_dbg() to avoid compilation warnings.

Currently we extract the socket ID information by decoding the address
(decodedAddress.channel is the socket ID that we use).

DRAMSys/simulator/src/simulation/Arbiter.h

@@ -135,7 +135,7 @@ private:
         return TLM_ACCEPTED;
     }
 
-    virtual unsigned int transport_dbg(int id, tlm::tlm_generic_payload &trans)
+    virtual unsigned int transport_dbg(int /*id*/, tlm::tlm_generic_payload &trans)
     {
         DecodedAddress decodedAddress = xmlAddressDecoder::getInstance().decodeAddress(trans.get_address());
         return iSocket[decodedAddress.channel]->transport_dbg(trans);