Update BIOS and Network version of petitprince Cluster

data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-1.json

@@ -6,9 +6,9 @@
     "platform_type": "x86_64"
   },
   "bios": {
-    "release_date": "01/27/2016",
+    "release_date": "06/27/2018",
     "vendor": "Dell Inc.",
-    "version": "2.5.4"
+    "version": "2.7.0"
   },
   "chassis": {
     "manufacturer": "Dell Inc.",
@@ -70,7 +70,7 @@
       "device": "eth0",
       "driver": "bnx2x",
       "enabled": true,
-      "firmware_version": "FFV7.12.19 bc 7.12.5",
+      "firmware_version": "FFV14.07.06 bc 7.12.5",
       "interface": "Ethernet",
       "ip": "172.16.177.1",
       "kavlan": true,
@@ -91,7 +91,7 @@
       "device": "eth1",
       "driver": "bnx2x",
       "enabled": true,
-      "firmware_version": "FFV7.12.19 bc 7.12.5",
+      "firmware_version": "FFV14.07.06 bc 7.12.5",
       "interface": "Ethernet",
       "kavlan": true,
       "mac": "e0:db:55:09:67:b2",