armsx2-sa: replace yaps2-sa with the ARMSX2 PS2 emulator

[bmdhacks]

What

Replaces the yaps2-sa PS2 standalone package with ARMSX2
(github.com/ARMSX2/ARMSX2), the
actively-developed native ARM64 fork of PCSX2 that supersedes yaps2 and
has taken in the yaps2 code. The package is renamed yaps2-sa →
armsx2-sa and rebranded end-to-end.

Pinned to ARMSX2 master @ 37ce96996c.

Changes

• Package rename & repoint — emulators/standalone/yaps2-sa →
  armsx2-sa; PKG_SITE/PKG_URL now point at ARMSX2/ARMSX2. Build
  recipe (CMake flags, LTO, Qt UI, Vulkan/GL, LLD) is otherwise
  unchanged.
• Branding — ES emulator/core yaps2/yaps2-sa → armsx2/armsx2-sa
  (es_features.cfg), config dir /storage/.config/YAPS2 →
  /storage/.config/ARMSX2, binary yaps2-qt → armsx2-qt, install dir
  /usr/share/yaps2-sa → /usr/share/armsx2-sa. Launchers renamed to
  start_armsx2.sh / cheevos_armsx2.sh / Start ARMSX2.sh, plus
  gamelist.xml and the per-device docs. ARMSX2 keeps the PCSX2.ini /
  secrets.ini settings filenames, so those are preserved.
• Patch: 000-fix-arm-compilation.patch slimmed — ARMSX2 upstreamed
  the CMAKE_HOST_SYSTEM_PROCESSOR → CMAKE_SYSTEM_PROCESSOR
  arch-selection fix, so those hunks are dropped. The cross-compile
  page/cache-line-size fallback is retained because
  detect_page_size() / detect_cache_line_size() still FATAL_ERROR
  under CMAKE_CROSSCOMPILING (try_run can't execute target binaries
  on the build host). Defaults to 4K pages / 64B lines, overridable via
  -DOVERRIDE_HOST_PAGE_SIZE= / -DOVERRIDE_HOST_CACHE_LINE_SIZE=.
• 0000-set-version.patch — carried over unchanged (still applies).

Drive-by fixes carried into the rebrand

• Cheevos ini targets — the old cheevos_yaps2.sh wrote to
  YAPS2.ini / security.ini, which never existed (the shipped files
  are PCSX2.ini / secrets.ini), so RetroAchievements config was a
  no-op. cheevos_armsx2.sh now targets the real files.
• BIOS path consistency — the launcher created
  /storage/roms/bios/pcsx2 while the shipped PCSX2.ini pointed
  Bios = at /storage/roms/bios/yaps2. Both now use
  /storage/roms/bios/armsx2.

Verification

• Both patches apply cleanly against ARMSX2@37ce96996c
  (patch -p1 --dry-run → OK).
• PKG_URL tarball resolves publicly (HTTP 200 via codeload).
• Repo-wide: no yaps2/YAPS2 references remain.

Notes

Not yet built through the ROCKNIX buildsystem in this PR; happy to run a
target build (or point at CI) before merge. ARMSX2 is ARM64-native by
design — it still compiles for AMD64 like any PCSX2 fork, so it stays in
the AMD64 emulator list as yaps2 was.

[porschemad911]

@bmdhacks I have triggered CI builds: https://github.com/ROCKNIX/distribution/actions/runs/30412078846

Edit: We'll look to merge this after August monthly release

[bmdhacks]

Thanks, I didn't mean to have claude submit this before I looked at it, but it looks OK to me

[r3claimer]

Might want to merge this before the end of month release. Just so people dont have to update again next month to a different emu.

[porschemad911]

I will test on S922X

[r3claimer]

I will test on S922X

ok let me know when we are good to go.

[bmdhacks]

I can spin up an sm8250 build in that case too i was just being lazy. I'll do that today and report back.

[bmdhacks]

Another option is we just ship a PR that pulls yaps2 and then we worry about this next round.

[porschemad911]

Another option is we just ship a PR that pulls yaps2 and then we worry about this next round.

@bmdhacks @r3claimer this PR works fine for me on S922X (local build from this PR). It loaded up my memory card ok and games run fine. Just had to mv /storage/roms/bios/yaps2 /storage/roms/bios/armsx2

[porschemad911]

Tested and working on S922X