* introduce DEB_COMPRESS for dpkg-deb+kernel's KDEB_COMPRESS
- Avoids zstd which is now default in Ubuntu Impish, but can't be read by Debian dpkg
- Allows for xz, gzip, or none; defaults to xz; use gzip for faster, and none for much faster.
Signed-off-by: Ricardo Pardini <ricardo@pardini.net>
* use KDEB_COMPRESS in packages/armbian/builddep for 5.12+ kernels too
Signed-off-by: Ricardo Pardini <ricardo@pardini.net>