devel/cmph: update to 2.0.2

While here:

• update MASTER_SITES to GitHub Upstream has officially moved to GitHub as discussed here: https://github.com/bonitao/cmph/issues/1
• add LICENSE and LICENSE_FILE
• remove GNU_CONFIGURE_MANPREFIX
• add post-install target to strip library
• reorder variables to make portclippy happy

Changelog: https://github.com/bonitao/cmph/releases/tag/v2.0.2
Co-authored-by: Yusuf Yaman <nxjoseph@protonmail.com>

PR: 285883
Reported by: Siva Mahadevan <me@svmhdvn.name>,

		Yusuf Yaman <nxjoseph@protonmail.com>

Approved by: Jesse Kempf <jessekempf@gmail.com> (maintainer)