board: add support for the Arduino Nano Matter #757

Job	Run time
Build and package cores	10m 55s
Split off zephyr_contrib	9s
Split off zephyr_unoq	8s
Split off zephyr	14s
Split off zephyr_main	8s
Test zephyr_main:giga	3m 12s
Test zephyr_main:niclasense	2m 25s
Test zephyr_main:portentac33	2m 0s
Test zephyr_contrib:nano_matter	2m 17s
Test zephyr:unoq	2m 28s
Test zephyr_contrib:frdm_rw612	2m 23s
Test zephyr_main:nano33ble	1m 54s
Test zephyr_main:portentah7	2m 28s
Test zephyr_main:opta	2m 35s
Test zephyr_contrib:frdm_mcxn947	2m 31s
Test zephyr_contrib:ek_ra8d1	2m 32s
Publish jsons	15s
Collect logs	11s
Publish core	0s
verify-core	0s
cleanup-artifacts	4s
	38m 49s

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