feat: scraper adds missing arcade BIOS, ep128emu includes, new profiles

libretro_scraper: EXTRA_ARCADE_FILES adds namcoc69/70/75, msx, qsound
to arcade system. segasp.zip added to dreamcast-arcade. ep128emu
includes injected for enterprise system.

new profiles: vba_m (GB/GBC/GBA with doc vs source notes),
beetle_gba (Mednafen GBA).

emulators/beetle_gba.yml

@@ -0,0 +1,14 @@
+# Beetle GBA (Mednafen) — Game Boy Advance (libretro)
+# ref: beetle-gba-libretro/mednafen/gba, docs.libretro.com/library/beetle_gba
+# Same BIOS as mGBA/VBA-M. Optional, no HLE fallback documented.
+emulator: Beetle GBA (Mednafen)
+type: libretro
+cores: [mednafen_gba]
+source: "https://github.com/libretro/beetle-gba-libretro"
+systems:
+  - nintendo-gba
+files:
+  - name: gba_bios.bin
+    system: nintendo-gba
+    required: false
+    md5: a860e8c0b6d573d191e4ec7db1b1e4f6

emulators/vba_m.yml

@@ -0,0 +1,29 @@
+# VBA-M — Game Boy / Game Boy Color / Game Boy Advance (libretro)
+# ref: visualboyadvance-m/src/libretro, docs.libretro.com/library/vba_m
+# Same BIOS as mGBA. Requires core option "Use BIOS file if found" = On.
+#
+# doc vs source: docs list gba_bios.bin md5 a860e8c0b6d573d191e4ec7db1b1e4f6
+# which is the standard GBA BIOS dump. Also accepts gb_bios.bin and gbc_bios.bin
+# for GB/GBC mode (not listed in mgba profile).
+emulator: VBA-M
+type: libretro
+cores: [vbam]
+source: "https://github.com/visualboyadvance-m/visualboyadvance-m"
+systems:
+  - nintendo-gb
+  - nintendo-gbc
+  - nintendo-gba
+files:
+  - name: gba_bios.bin
+    system: nintendo-gba
+    required: false
+    md5: a860e8c0b6d573d191e4ec7db1b1e4f6
+    note: "optional, core option vbam_usebios must be On"
+  - name: gb_bios.bin
+    system: nintendo-gb
+    required: false
+    md5: 32fbbd84168d3482956eb3c5051637f5
+  - name: gbc_bios.bin
+    system: nintendo-gbc
+    required: false
+    md5: dbfce9db9deaa2567f6a84fde55f9680