ESP32

Merge branch 'dev' into Candas1-autotuning #293

Job	Run time
lint	9s
Test compiling (esp32:esp32:esp32s3)	3m 32s
Test compiling (esp32:esp32:esp32s2)	3m 24s
Test compiling (esp32:esp32:esp32doit-devkit-v1)	5m 22s
Test compiling (esp32:esp32:esp32c3)	4m 15s
	16m 42s

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