Install free firmware for atheros usb driver

src/freedombone-image-customise

@@ -497,6 +497,7 @@ atheros_wifi() {
     fi
 
     chroot "$rootdir" dpkg -i /root/freedombone/drivers/firmware-ath9k-htc.deb
+    chroot "$rootdir" apt-get -yq install firmware-linux-free
 }
 
 configure_wifi() {

src/freedombone-utils-wifi

@@ -86,6 +86,8 @@ function setup_wifi_atheros {
         return
     fi
 
+    apt-get -yq install firmware-linux-free
+
     atheros_drivers_file=drivers/firmware-ath9k-htc.deb
     if [ ! -f $atheros_drivers_file ]; then
         if [ ! -f ~/freedombone/$atheros_drivers_file ]; then