Mac PS5 controller support

[Roekrs]

I've got it working using SDL2 Gamepad Tool <https://generalarcade.com/gamepadtool/>.

SDL2 Gamepad Tool is very simple tool, no need for install, it is standalone utility app which only helps creating gamepad mapping.

Steps
- Quit FF14
- Connect PS5 controller
- Open SDL2 Gamepad Tool
- Confirm the controller is working
- Click "Set Mapping As Environment Variable" button
- Start FF14

Now it should work, and also button calibration in system config works as well.

FF14 is using SDL2 for gamepad mappings, and we can adjust the mapping by setting the environment variable.

Brilliant, this seems to work for the Xbox Series X controller (at first glance) on macOS Monterey. Thanks for sharing this!