* Added newlib changes
* Add action to launch PPSSPP simulator
* Remove legacy config for the stack and heap
* Add pthread
* Simplify kernel_functions and improve references to HAVE_KERNEL_PRX
* Add some flags
* Improve audio init/deinit
* Improve exit by clicking home
* Add CI for PSP1
* Update PSP.yml
* Allow parallel compilation in PS2
* Allow to compile with griffin or common compilation in PS2
* Enable dummy core to be used in other platforms
* Use threads in YML config
* Add the compilation to PS2 in GitHub Actions