[reims] manually fixed BMC MAC addresses

data/grid5000/sites/reims/clusters/stremi/nodes/stremi-27.json

@@ -81,7 +81,7 @@
       "enabled": true,
       "interface": "Ethernet",
       "ip": "172.17.160.27",
-      "mac": null,
+      "mac": "1c:c1:de:7a:12:89",
       "management": true,
       "mountable": false,
       "mounted": false,

input/grid5000/sites/reims/clusters/stremi/stremi.yaml

@@ -233,7 +233,7 @@ nodes:
     network_adapters:
       bmc:
         ip: 172.17.160.27
-        mac: 
+        mac: 1c:c1:de:7a:12:89
       eth0:
         ip6: fe80::1ec1:deff:fee8:2b0c
   stremi-28: