nodeinfo: change firmware policy

alias.json.example

@@ -8,6 +8,11 @@
     "owner": {
       "contact": "info@example.org"
     },
+    "software": {
+      "firmware": {
+        "release": "0.42"
+      }
+    },
     "system": {
       "site_code": "ffggrz",
       "role": "gateway"

lib/nodeinfo.py

@@ -97,8 +97,7 @@ class Nodeinfo(Respondd):
       },
       'software': {
         'firmware': {
-          'base': lib.helper.call(['lsb_release', '-is'])[0],
-          'release': lib.helper.call(['lsb_release', '-ds'])[0]
+          'base': lib.helper.call(['lsb_release', '-ds'])[0],
         },
         'batman-adv': {
           'version': open('/sys/module/batman_adv/version').read().strip(),