was the whole programmer submission which was already added through
another request, but the former lacked the VCC definition. Pick it up
from this patch.
Submitted by: tmohr@s.netic.de
git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@511 81a1dc3b-b13d-400b-aceb-764788c761c2