if items are omitted from the menu due to GFXBOOT-ACCESS-OPTIONS; so for
example with "GFXBOOT-ACCESS-OPTIONS v1 v3", pressing "1" would select
v1, "2" would do nothing, and "3" would select v3. This allows for
simpler cross-flavour documentation for visually-impaired users.
when selecting accessibility menu items. However, this isn't working
well in tests, so I've left it disabled by not shipping any .mod files.
Anyone who would like to try to take this from here and figure out
what's wrong would be welcome.