Added PerKeyName callback in all peripheral cores.

Removed the now useless PERKEYNAME compilation option.

This change has not been tested on every port, so
it may break things... sorry for that ^^;
Please test and fix :)

git-svn-id: https://yabause.svn.sourceforge.net/svnroot/yabause/trunk@3119 d7be59e3-070e-4b9a-85a1-4646befae34d