emulators/ucon64: Update to 2.2.0

• Switch to options framework to make the port more flexible
• Remove no longer required patches that have been adapted by upstream
• Add license information

Also while I'm here:

• Order variables a bit according to the PHB with the support of portclippy.

Notable changes since 2.0.0:

Additions:

• (N64) Support for remaining 6101, 6103, and 6106 bootcodes
• (Coleco) Recognition of Coleco ROMs
• (Virtual Boy) Recognition of Virtual Boy ROMs
• (NDS) Recognition of DS ROMs
• (Atari) Recognition of Atari VCS 2600 ROMs
• Added support for NetBSD
• Introduction of many new command-line switches

Updates/Fixes:

• Updated support for OpenBSD (64-bit)
• Many fixes/improvements for backup devices, ROM types and command-line switches

http://ucon64.sourceforge.net/ucon64/changes.html

PR: 238275
Submitted by: Allison Nicole Reid <root@cooltrainer.org> (maintainer)