board: add support for the Arduino Nano Matter #728

Job	Run time
Build and package cores	9m 56s
Split off zephyr	19s
Split off zephyr_contrib	7s
Split off zephyr_unoq	16s
Split off zephyr_main	15s
Test zephyr_contrib:nano_matter	2m 27s
Test zephyr_main:giga	2m 37s
Test zephyr_main:nano33ble	2m 25s
Test zephyr_main:niclasense	2m 31s
Test zephyr_contrib:ek_ra8d1	2m 27s
Test zephyr_main:opta	2m 33s
Test zephyr_main:portentac33	2m 36s
Test zephyr:unoq	2m 23s
Test zephyr_main:portentah7	2m 30s
Test zephyr_contrib:frdm_rw612	2m 23s
Test zephyr_contrib:frdm_mcxn947	2m 27s
Publish jsons	19s
Collect logs	8s
Publish core	0s
verify-core	0s
cleanup-artifacts	3s
	38m 42s

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