The prebuilt 'athtestcmd' binary allows you to test tx/rx of the
Wi-Fi MAC, when the driver is loaded in test mode.
This is required for certifying Wi-Fi in products, so add it by
default for the ccimx6sbc.
Signed-off-by: Hector Palacios <hector.palacios@digi.com>
https://jira.digi.com/browse/DEL-7444
(cherry picked from commit acb402fdcfa54d8d5519580ff7fcfb76fbed3f49)
Signed-off-by: Hector Palacios <hector.palacios@digi.com>