add opkg feed for kmods

site.conf

@@ -16,6 +16,13 @@
 	'fd21:b4dc:4b00::123:3',
     },
 
+    opkg = {
+      extra = {
+        gluon = 'http://firmware.freifunk-stuttgart.de/gluon/archive/%GR/packages/gluon-ffs-%GS-%GR/%S',
+      },
+    }
+
+
     regdom = 'DE',
 
     wifi24 = {