Add `AVR` to defines to match Arduino IDE compiler #186

Merged

ianfixes merged 2 commits intoArduino-CI:masterfrom

Oct 26, 2020

Commits on Oct 25, 2020

Add `__AVR__` to defines to match Arduino IDE compiler (seems to be expected by some headers; see https://github.com/arduino-libraries/SD/blob/master/src/utility/Sd2PinMap.h:47.
James Foster
committed
Fix macro name.
James Foster
committed