c/deb-format.pm: Do not emit lzma-deb-archive on lzma compressed udebs

Emit the correct tag udeb-uses-unsupported-compression-for-data-tarball
instead.

Signed-off-by: Guillem Jover <guillem@debian.org>
Signed-off-by: Niels Thykier <niels@thykier.net>