devel/gnu-efi: has been relicensed under the BSD license

commit d32fb845433ff6fb38e81ae0d9273454e7d18197
Author: Nigel Croxon <nigel.croxon@hp.com>
Date: Thu Nov 6 14:30:03 2014 -0500

Allow reuse of this file beyond GPL compatible software,
update the license of crt0-efi-aarch64.S to dual 2-clause BSD/GPLv2+.

commit 3c62e78556aea01e9798380cd46794c6ca09d4bd
Author: Nigel Croxon <nigel.croxon@hp.com>
Date: Tue Apr 1 10:26:44 2014 -0400

Removed GPL code setjmp_ia32.S, setjmp_ia64.S, setjmp_x86_64.S

commit f9baa4f622cf34576d73e00d4a774a31f0f81fd7
Author: Nigel Croxon <nigel.croxon@hp.com>
Date: Mon Mar 31 08:37:56 2014 -0400

Remove incumbent GPL 'debian' subdiretory.