feat: archive full dolphin-emu/Sys, add DSP/font/IPL paths to pack

dolphin-emu/Sys/ folder (2562 files) from libretro/dolphin Data/Sys.
retroarch.yml: DSP firmware (dsp_coef.bin, dsp_rom.bin), fonts
(font_western.bin, font_japanese.bin) at dolphin-emu/Sys/GC/ paths.
ref: DolphinLibretro/Boot.cpp:72-73, HW/DSPLLE/DSPHost.cpp,
HW/EXI/EXI_DeviceIPL.cpp. pack: 452 files, 0 missing.

bios/Nintendo/GameCube/dolphin-emu/Sys/GameSettings/GZ2.ini

@@ -0,0 +1,31 @@
+# GZ2E01, GZ2J01, GZ2P01 - The Legend of Zelda: Twilight Princess [GC]
+
+[Core]
+# Values set here will override the main Dolphin settings.
+
+[OnFrame]
+# Add memory patches to be applied every frame here.
+
+[ActionReplay]
+# Add action replay cheats here.
+
+[Video_Hacks]
+# The game logic itself is ignoring VI interrupts 
+# and keeps updating shadow video registers.
+# Because of this, it is incompatible with VISkip.
+
+VISkip = False
+
+[Video_Settings]
+# Because the minimap in Hyrule Field and Faron Woods
+# has a ton of unused triangles, CPU Cull can greatly
+# speed up demanding areas of the game.
+
+CPUCull = True
+
+# Allow the ArbitraryMipmapDetection setting to take effect.
+
+EnableGPUTextureDecoding = False
+
+[Video_Enhancements]
+ArbitraryMipmapDetection = True