Add OHARARP ESP32-B board definition #17558

Job	Run time
scheduler	48s
tests / zephyr	3m 27s
tests / run (all)	1m 0s
mpy-cross / build (static)	23s
mpy-cross / build (static-aarch64)	35s
tests / run (native)	46s
tests / run (native_mpy)	40s
mpy-cross / build (static-raspbian)	47s
mpy-cross / build (static-mingw)	47s
tests / run (mpy)	38s
windows-zephyr	0s
mpy-cross-mac	29s
windows	0s
docs	0s
ports (espressif) / board (ohararp_esp32b)	4m 57s
	15m 17s

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