B2Qt Toradex Apalis iMX6 Quad and Colibri iMX6ULL reference devices to RTA for Qt 6

Who
As a B2Qt developer I want to verify my implementation before delivering it to community and customers with appropriate devices.

What
Toradex iMX6 boards are key targets for Qt 6. Qt 6 shall support 1) Toradex Apalis iMX6 Quad 2GB (ARM-v7A Cortex-A9 32bit) and 2) Toradex Colibri iMX6ULL 512MB (ARM-v7A Cortex-A7 32bit) both with Yocto 3.1 (gcc 9.3) https://intranet.qt.io/display/QTRD/Discussion+of+Qt+6.0%2C+6.1%2C+6.2+Supported+Functionality 

Why
For Qt6 there is new Yocto version (Dunfell) introduced for these two boards.

Definition of Done (DoD)
Toradex devices Apalis iMX6 and Colibri iMX6ULL are added to RTA. RTA executes automatic tests for B2Qt. RTA provides results for both devices. Automatic tests are meaningful and do not provide false positives nor false negatives.

More info
https://wiki.yoctoproject.org/wiki/Releases 
https://www.toradex.com/computer-on-modules/apalis-arm-family/nxp-freescale-imx-6 
https://www.toradex.com/computer-on-modules/colibri-arm-family/nxp-imx6ull?gclid=EAIaIQobChMI0vCgpeXZ6wIVjN4YCh3nbgGfEAAYASAAEgLU3PD_BwE