Squashed 'avr/cores/MCUdude_corefiles/' changes from a367b8b9..172d7e3b
Squashed 'avr/cores/MCUdude_corefiles/' changes from a367b8b9..172d7e3b

172d7e3b Fix typo in abs() macro

git-subtree-dir: avr/cores/MCUdude_corefiles
git-subtree-split: 172d7e3bd43db57ffbe02f815384ad6cdf992f8f

MCUdude/MajorCore,MCUdude/MajorCore,MCUdude/MajorCore