Add guide documenting updates from upstream sources
Document the process for updating packages where we pull from an upstream (non-Debian) source, such as we do for the LTS v.5.4 kernel.
Signed-off-by: Martyn Welch martyn.welch@collabora.com
Document the process for updating packages where we pull from an upstream (non-Debian) source, such as we do for the LTS v.5.4 kernel.
Signed-off-by: Martyn Welch martyn.welch@collabora.com