Add more of Chris' FPS configs

Signed-off-by: Fernando Barillas <fbis251@mailbox.org>
Use dxlevel 98 in highframes.cfg

Signed-off-by: Fernando Barillas <fbis251@mailbox.org>
Use dx9frames as the default FPS config

Signed-off-by: Fernando Barillas <fbis251@mailbox.org>