Merge branch 'mazduino' of github.com:mazduino/mazduino-fw into mazduino #4

Job	Run time
generate-matrix	12s
build-firmware (mazduino-mega100, boards/mazduino-mega100/meta-info.env)	3m 54s
build-firmware (mazduino-lite, boards/mazduino-lite/meta-info.env)	3m 38s
build-firmware (mazduino-mini6ch, boards/mazduino-mini6ch/meta-info.env)	4m 7s
build-firmware (mazduino-compact, boards/mazduino-compact/meta-info.env)	3m 34s
build-firmware (mazduino-mega100-512, boards/mazduino-mega100-512/meta-info.env)	3m 20s
	18m 45s

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