devel/prjpeppercorn111: Add new port
This port is used by devel/nextpnr* to produce configuration bitstreams for CologneChip GateMate FPGAs.
Notes:
- This port is versioned because of version compatibility requirements with devel/nextpnr*
- The timings tarball is mirrored because upstream currently does not provide a versioned archive/URL
Reviewed by: diizzy
Differential Revision: https://reviews.freebsd.org/D55235