[nancy] add sda by path for griffon-20 in json

data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-20.json

@@ -174,6 +174,7 @@
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca32cf79a1e",
+      "by_path": "/dev/disk/by-path/pci-0000:00:1f.2-ata-1",
       "device": "sda",
       "driver": "ahci",
       "interface": "SATA II",

grid5000-all.json

@@ -117677,6 +117677,7 @@
               "storage_devices": [
                 {
                   "by_id": "/dev/disk/by-id/wwn-0x5000cca32cf79a1e",
+                  "by_path": "/dev/disk/by-path/pci-0000:00:1f.2-ata-1",
                   "device": "sda",
                   "driver": "ahci",
                   "interface": "SATA II",