[rennes][network] Add swcore-01-rba switch and swdc-a035-[01-02] switches

data/grid5000/sites/rennes/clusters/roazhon4/nodes/roazhon4-1.json

@@ -129,8 +129,8 @@
       "rate": 1000000000,
       "sriov": false,
       "sriov_totalvfs": 0,
-      "switch": null,
-      "switch_port": null,
+      "switch": "swdc-a035-01-rba",
+      "switch_port": "Eth103/1/10",
       "vendor": "Broadcom Inc. and subsidiaries"
     },
     {