Use bus response time paramteres

Fix bug with deadlocking

src/mem/cache/base_cache.cc:
    Make sure to not wait anymore

--HG--
extra : convert_revision : 5f7b44a1c475820b9862275a0d6113ec2991735d

src/mem/cache/base_cache.cc

@@ -139,6 +139,7 @@ BaseCache::CachePort::recvRetry()
             //This can happen if I am the owner of a block and see an upgrade
             //while the block was in my WB Buffers.  I just remove the
             //wb and de-assert the masterRequest
+            waitingOnRetry = false;
             return;
         }
         pkt = cache->getPacket();