Draft: [grat/sirius/nvidia_fabricmanager] Add nvidia-fabricmanager variable and set...

[grat/sirius/nvidia_fabricmanager] Add nvidia-fabricmanager variable and set true for grat and sirius

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

@@ -98,6 +98,9 @@
       "power_default_limit": "400.00 W",
       "vbios_version": "92.00.36.00.04",
       "vendor": "Nvidia"
+    },
+    "nvidia[0-7]": {
+      "nvswitch": true
     }
   },
   "kavlan": {