perl: fix license info

According to the README, perl can be used either under
Artistic or under GPLv1+ license, so include both.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
perl-cross: bump to version 0.8.1
perl-cross: patch merged upstream
perl-cross: bump to version 0.8.2
perl-cross : fix test suite
perl: fix on uClibc without IPv6 support
perl-cross: skip some tests which need the toolchain