Overlay: move manual wlan mac setting to init script (#986)

general/overlay/etc/init.d/S30wireless

@@ -1,5 +1,6 @@
 #!/bin/sh
 dev=$(fw_printenv -n wlandev)
+mac=$(fw_printenv -n wlanaddr)
 wlan=/etc/wireless
 netif=/etc/network/interfaces.d
 
@@ -8,3 +9,7 @@ if [ "$1" = "start" ] && [ ! -z "$dev" ]; then
 		grep -q "static" $netif/eth0 || cp -f $wlan/interfaces/* $netif
 	fi
 fi
+
+if [ "$1" = "start" ] && [ ! -z "$mac" ]; then
+	ip link set dev wlan0 address "$mac"
+fi

general/overlay/etc/network/interfaces.d/wlan0

@@ -1,5 +1,4 @@
 iface wlan0 inet dhcp
-    pre-up wlan_addr=$(fw_printenv -n wlanaddr) && ip link set dev wlan0 address $wlan_addr
     post-up wpa_passphrase "$(fw_printenv -n wlanssid || echo OpenIPC)" "$(fw_printenv -n wlanpass || echo OpenIPC12345)" > /tmp/wpa_supplicant.conf
     post-up sed -i '2i \\tscan_ssid=1' /tmp/wpa_supplicant.conf
     post-up wpa_supplicant -B -i wlan0 -D nl80211,wext -c /tmp/wpa_supplicant.conf

general/overlay/etc/wireless/interfaces/wlan0

@@ -1,6 +1,5 @@
 auto wlan0
 iface wlan0 inet dhcp
-    pre-up wlan_addr=$(fw_printenv -n wlanaddr) && ip link set dev wlan0 address $wlan_addr
     post-up wpa_passphrase "$(fw_printenv -n wlanssid || echo OpenIPC)" "$(fw_printenv -n wlanpass || echo OpenIPC12345)" > /tmp/wpa_supplicant.conf
     post-up sed -i '2i \\tscan_ssid=1' /tmp/wpa_supplicant.conf
     post-up wpa_supplicant -B -i wlan0 -D nl80211,wext -c /tmp/wpa_supplicant.conf