~ruther/avr-device

ref: 397170ad764373a1fe20b8ce51de28d37692a619 avr-device/patch d---------
c15bfe54 — octycs 6 years ago 
Integrate patching in the build process
c7d56808 — octycs 6 years ago 
Integrate svdpatch.py of stm32-rs