A new package was finally included for Parabola. The package contains free firmware files for the Qualcomm Atheros AR7010 and AR9271 USB 802.11n NICs to provide wireless services.
If you have this device on your machine, it will be detected and supported automatically after updating system due which the firmware loading was restored by linux-libre for this device.
If you needs more information, there is a website which holds additional information about it.