auto-t: Fix TA/BSSID addresses of spoofed disassoc

The TA/BSSID addresses of spoofed disassociate frames were set
incorrectly.  They should be using the 02:00:00:XX:XX:XX address, but
instead were being converted over to 42:00:00:XX:XX:XX address

autotests/util/hwsim.py

@@ -410,7 +410,7 @@ class Hwsim(iwd.AsyncOpAbstract):
         '''
             Send a spoofed disassociate frame to a station
         '''
-        dest = self._convert_address(radio.addresses[0].replace(':', ''))
+        dest = radio.addresses[0].replace(':', '')
 
         frame = 'a0 00 3a 01'
         frame += station.replace(':', '')