Vita:Swapping X/O Buttons

This is done through the acessibkity menu and can be used to change any button to any other button.

= How to swap X with O =
 * Open Settings
 * Scroll down and open Accessibility
 * Select Button Assignments
 * Check "Enable Custom Button Assignments"
 * Open "Customise Button Assignments"
 * Select "X -> X" and change to "O"