Extend ATmega8 calibration memory to support all 4 calibration bytes.
Savannah bug #3835. Submitted by Francisco T. A. Silva
<ftas@geodigitus.com.br>.
Add a few AVR910 programmer device codes. Savannah bug #3569 - sorry
I can't tell who submitted this to give proper credit.
Add support for the ATtiny12. Submitted by Pontifex <pontifex@isys.ca>
git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@332 81a1dc3b-b13d-400b-aceb-764788c761c2