[nancy/gros] iDrac version fix

data/grid5000/sites/nancy/clusters/gros/nodes/gros-112.json

@@ -11,7 +11,7 @@
     "vendor": "Dell Inc.",
     "version": "2.11.2"
   },
-  "bmc_version": "5.00",
+  "bmc_version": "5.00.00.00",
   "chassis": {
     "manufacturer": "Dell Inc.",
     "name": "PowerEdge R640",