[airos] added bridge interface to access_point test

As we need the br.devname key in the configuration we need to list
a bridge interface to take it from

Author: edoput

tests/airos/test_aaa.py

@@ -52,6 +52,13 @@ def test_ap_psk_authentication(self):
                         },
                     },
                 },
+                {
+                    "type": "bridge",
+                    "name": "br0",
+                    "bridge_members": [
+                        "wlan0",
+                    ],
+                },
             ],
         })
         o.to_intermediate()