[lyon] Fix ref. API for hercule interfaces mountable

data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-1.json

@@ -46,7 +46,7 @@
       "ip6": "fe80::28c:faff:fe0b:b9c3",
       "mac": "00:8c:fa:0b:b9:c3",
       "management": false,
-      "mountable": false,
+      "mountable": true,
       "mounted": true,
       "network_address": "hercule-1.lyon.grid5000.fr",
       "rate": 10000000000,

data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-2.json

@@ -46,7 +46,7 @@
       "ip6": "fe80::28c:faff:fe0b:b4bd",
       "mac": "00:8c:fa:0b:b4:bd",
       "management": false,
-      "mountable": false,
+      "mountable": true,
       "mounted": true,
       "network_address": "hercule-2.lyon.grid5000.fr",
       "rate": 10000000000,

data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-3.json

@@ -46,7 +46,7 @@
       "ip6": "fe80::28c:faff:fe0b:e179",
       "mac": "00:8c:fa:0b:e1:79",
       "management": false,
-      "mountable": false,
+      "mountable": true,
       "mounted": true,
       "network_address": "hercule-3.lyon.grid5000.fr",
       "rate": 10000000000,

data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-4.json

@@ -46,7 +46,7 @@
       "ip6": "fe80::28c:faff:fe0b:d853",
       "mac": "00:8c:fa:0b:d8:53",
       "management": false,
-      "mountable": false,
+      "mountable": true,
       "mounted": true,
       "network_address": "hercule-4.lyon.grid5000.fr",
       "rate": 10000000000,

generators/input/sites/lyon/clusters/hercule_generated.yaml

@@ -22,7 +22,7 @@ hercule-1:
       enabled: true
       interface: Ethernet
       driver: ixgbe
-      mountable: false
+      mountable: true
       ip: 172.16.51.1
     eth2:
       mounted: false
@@ -113,7 +113,7 @@ hercule-2:
       enabled: true
       interface: Ethernet
       driver: ixgbe
-      mountable: false
+      mountable: true
       ip: 172.16.51.2
     eth2:
       mounted: false
@@ -212,7 +212,7 @@ hercule-3:
       enabled: true
       interface: Ethernet
       driver: ixgbe
-      mountable: false
+      mountable: true
       ip: 172.16.51.3
     eth2:
       mounted: false
@@ -303,7 +303,7 @@ hercule-4:
       enabled: true
       interface: Ethernet
       driver: ixgbe
-      mountable: false
+      mountable: true
       ip: 172.16.51.4
     eth2:
       mounted: false