devel/clinfo: update to 2.2.18.04.06
- Define LICENSE
- Switch to vendor install target
- Convert post-patch to MAKE_ARGS + USES=localbase
Changes: https://github.com/Oblomov/clinfo/compare/2.1.16.01.12...2.2.18.04.06
Approved by: x11 (manu, zeising)
Differential Revision: https://reviews.freebsd.org/D23806