* Add audio arm64 cpp into Xcode project
* Build universal binary for SDL2 also
* Add vixl aarch64 dependency + build arm64 in cmake
* hardcode pagesize for M1 CPU
* Use `MAP_JIT` and toggle between RX and RW
* add pthread.h for cmake
* Disable audio dynarec temporary
* Enable aica arm dynarec
* Supports `br` with condition
* Dynamic linker flag for libSDL2.a since Homebrew path is different on arm (for xcodeproj)
* Fallback path for Intel
* de-dup for arm64, allow cross compilation on both Intel and Apple Silicon Mac
* Rename WriteProtect() to JITWriteProtect(), Move JITWriteProtect from arm7_rec to arm7_rec_arm64
* Remove CodeCache memset
* Remove keyboard_device.cpp from xcodeproj
* Use hard tab
* Update libchdr to support compiling on M1 (thanks @scribam)
Flyinghead