unifiac: Change 5Ghz channel to 48

108 is a DFS channel which is annoying and probably broken. For 80Mhz bandwidth
you have to specify the upper channel apparently so 48-36 should be fine.

access-points/files/common/its/etc/uci-defaults/50-config-from-mac

@@ -15,7 +15,7 @@ elif [ "$mac" = 60:e3:27:ed:86:9a ]; then
     channel_11g=11
 elif [ "$mac" = 78:8a:20:82:d6:bd ]; then
     hostname=cz-ap2
-    channel_11a=108
+    channel_11a=48
     htmode_11a=VHT80
 elif [ "$mac" = 60:e3:27:ed:9b:b0 ]; then
     hostname=lz-ap0

access-points/files/ubnt-unifiac-lite/etc/config/wireless

@@ -5,7 +5,7 @@ config wifi-device 'radio0'
 	option path 'pci0000:00/0000:00:00.0'
 	option htmode 'VHT80'
 	option disabled '1'
-	option channel '108'
+	option channel '48'
 	option country 'AT'
 
 config wifi-iface 'default_radio0'