Initial dev pod configs for ONS demo

Change-Id: I5f9d98973e8759e5d84a961a9a56bf0abd11670e
diff --git a/p4-pod-configs/dev-pod/tofino-leaf2-netcfg.json b/p4-pod-configs/dev-pod/tofino-leaf2-netcfg.json
index 2befe1e..53f0270 100644
--- a/p4-pod-configs/dev-pod/tofino-leaf2-netcfg.json
+++ b/p4-pod-configs/dev-pod/tofino-leaf2-netcfg.json
@@ -61,6 +61,14 @@
           "number": 183,
           "removed": false,
           "type": "copper"
+        },
+        "5/0": {
+          "name": "5/0",
+          "speed": 100000,
+          "enabled": true,
+          "number": 172,
+          "removed": false,
+          "type": "copper"
         }
       },
       "basic": {