[NEW PORT] games/libretro-yabause: Yabause - Sega Saturn Emulator

[lbartoletti]

Summary

Yabause is a Sega Saturn emulator core for libretro compatible emulators, such as games/retroarch.

I disable HAVE_SSE to build on i386[1] and aarch64

[1] you can build the port on i386 with gcc-c++11-lib

PR: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=246124

Test Plan

poudriere (11/12/HEAD i386/amd64 HEAD aarch64)
portlint (looks fine.)

[tcberner]