[Grenoble] change edel-6 mac address

generators/input/sites/grenoble/clusters/edel.yaml

@@ -174,7 +174,7 @@ edel-6:
     ib1:
       guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:00:00:00:00:00:00:00
     eth0:
-      mac: 08:00:38:35:ac:54
+      mac: 08:00:38:36:ec:5e
       ip: 172.16.16.56
       switch_name: edel-sw-1
       switch_port: