[yocto] Adding security audit tools

[Armin Kuster]

Lynis and openscap are both compliance tools. This provides the basic framework.
The os-release and oe-release recipes will be moved and really belong in a distro
or other solution layer, IMHO.
I have not figured out the companion layer yet. This makes it useable.

[meta-security][PATCH 1/8] meta-security-compliance: add new layer
[meta-security][PATCH 2/8] lynis: add auditing tool
[meta-security][PATCH 3/8] openscap: add package
[meta-security][PATCH 4/8] openscap: add scap-security-guide
[meta-security][PATCH 5/8] openscap: add dameon
[meta-security][PATCH 6/8] openscap: Add oe specific files
[meta-security][PATCH 7/8] os-release: needed by openscap
[meta-security][PATCH 8/8] oe-release: add oe-release file for