A new software release 3.1.3.1 (BSP and flight controller addon) is available at: http://support.intrinsyc.com/projects/snapdragon-flight/files. This fixes WiFi and certain other issues from the previous release (that had necessitated a work-around). Please see the release notes file at the above location for more details.
To install it on your Snapdragon Flight board, please follow these instructions:
Download the platform BSP from the Files tab: Flight_3.1.3.1_JFlash.zip
Unzip the above file and run the jflash command. This is a Java based tool running on both Linux and Windows. Complete the installation and reboot the target.
Download the Flight Controller AddOn for the latest BSP version from the Files tab: 1. Flight_3.1.3.1_qcom_flight_controller_hexagon_sdk_add_on.zip
Unzip the above file and follow the instructions in the readme file therein.