* 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
* (PS2) added Multitap support (up to 8 players)
* (PS2) revert some identation changes
* (PS2) fix for non-analog controllers
* fix for not recognized digital and other non-standart controllers
* fixed ps2_joypad_destroy