Valentine Burley authored Feb 18, 2025 and Marge Bot committed Feb 21, 2025

Directly download the kernel instead of using the
download-prebuilt-kernel.sh script.
Save the kernel to /kernel for clarity, replacing the previous
/lava-files directory.

Signed-off-by: Valentine Burley <valentine.burley@collabora.com>
Part-of: <!33606>