feat(topology): add GPU entries alongside CUDA entries in topology discovery

Signed-off-by: staryxchen <[email protected]>

Author: staryxchen

mooncake-transfer-engine/src/topology.cpp

@@ -207,6 +207,10 @@ static std::vector<TopologyEntry> discoverCudaTopology(
             TopologyEntry{.name = "cuda:" + std::to_string(i),
                           .preferred_hca = std::move(preferred_hca),
                           .avail_hca = std::move(avail_hca)});
+        topology.push_back(
+            TopologyEntry{.name = "gpu:" + std::to_string(i),
+                          .preferred_hca = std::move(preferred_hca),
+                          .avail_hca = std::move(avail_hca)});
     }
     return topology;
 }