investigate linux kernel ci integration as part of CI

The kernel is developing and its important to check that they aren't regressing things we care about.

https://kernelci.org/docs/architecture/

Options:

(https://www.youtube.com/watch?v=LVZu9K6RWII)

• KCIDB via own build worker
• KICIDB via CKI https://cki-project.org/docs/ or similar
• KernelCI Native - https://www.youtube.com/watch?v=7Ltjx9qHEj8 (generally) recommends https://github.com/kernelci/lava-docker