brcm63xx: brcm_mac80211.sh setup AP ifname

Setup AP ifname early, while wifimngr need this.

Before when we run:
- rm /etc/config/wireless; wifi config
- reboot

After reboot we had in ubus list output:
wifi.ap.idx0
wifi.ap.idx1

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@iopsys.eu>

iopsys-brcm63xx-arm/base-files/lib/wifi/brcm_mac80211.sh

@@ -111,6 +111,7 @@ detect_brcm_mac80211() {
 			set wireless.default_${radioidx}.network=lan
 			${aps_ap}
 			set wireless.default_${radioidx}.mode=ap
+			set wireless.default_${radioidx}.ifname='${radioidx}'
 			set wireless.default_${radioidx}.ssid="${DEVICE_MANUFACTURER}-${BSSID}"
 			set wireless.default_${radioidx}.uuid="${UUID}"
 			set wireless.default_${radioidx}.encryption=psk2