Get rid of a couple of copies of the CC0 text. Add header comment to
CC0 files to remind people editing them what the terms are. Also add
some missing XML headers. The header comments in layouts won't bloat
the binary - they get stripped out before compressing, same as any other
comments.
* Changed the overly-generic set name "wireless" to something more descriptive.
* Removed references to "Chintendo" as it is not nor has it ever been a name of JungleTac/KenSingTon.
* Re-ported the u'nSP 1.0 core from Unununium.
* Ported serial EEPROM support from Unununium. Fixes many Sport Vii titles.