[grenoble/troll] Update BIOS, BMC on troll-4

data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json

@@ -7,11 +7,11 @@
     "platform_type": "x86_64"
   },
   "bios": {
-    "release_date": "11/26/2019",
+    "release_date": "01/13/2020",
     "vendor": "Dell Inc.",
-    "version": "2.4.8"
+    "version": "2.5.4"
   },
-  "bmc_version": "4.00.00.00",
+  "bmc_version": "4.10.10.10",
   "chassis": {
     "manufacturer": "Dell Inc.",
     "name": "PowerEdge R640",

input/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.yaml

@@ -8,10 +8,10 @@ troll-4:
     nb_threads: 64
     platform_type: x86_64
   bios:
-    release_date: 11/26/2019
+    release_date: 01/13/2020
     vendor: Dell Inc.
-    version: 2.4.8
-  bmc_version: 4.00.00.00
+    version: 2.5.4
+  bmc_version: 4.10.10.10
   chassis:
     manufacturer: Dell Inc.
     name: PowerEdge R640