PS2 Classics .config set up

Does anyone know how to get games working with config files on the PS4 using the PS2 Classics Emulator? For example I've packaged up Tony Hawk's Underground 2 correctly without configs and it crashes at the main opening screen. I've heard using a config would make it work.

I've got the config hex data from the PS3 Dev wiki but I don't know what to do with it or where to put it to make the game work. Can anyone help please?

Thanks in advance .