ar71xx: Onion Omega is BROKEN

This device doesn't have an Ethernet port, and even with the Ethernet
shield, eth0 is not configured.

docs/index.rst

@@ -175,10 +175,6 @@ ar71xx-generic
 
   - Koala [#ath10k]_
 
-* Onion
-
-  - Omega
-
 * OpenMesh
 
   - A40

targets/ar71xx-generic

@@ -140,7 +140,9 @@ factory
 
 # Onion
 
-device onion-omega onion-omega
+if [ "$BROKEN" ]; then
+device onion-omega onion-omega # BROKEN: no ethernet
+fi
 
 
 # OpenMesh