[kirkstone] Update support for official meta-freescale compatible with kirkstone
Made IMX_DEFAULT_KERNEL variable compatible with newest Yocto's syntax, replacing "_" with ":" for particular case of "mx6" and "mx8" MACHINEOVERRIDE
Hi all, Please be informed that the GitLab instance will undergo a scheduled upgrade on Friday, 19th September 2025. As a result, the instance will be in maintenance from 2:00 PM to 6:00 PM CEST. All runner jobs will be terminated before the upgrade starts. We appreciate your understanding and will do our best to complete the upgrade within the scheduled window.
Thank you,
Made IMX_DEFAULT_KERNEL variable compatible with newest Yocto's syntax, replacing "_" with ":" for particular case of "mx6" and "mx8" MACHINEOVERRIDE