board: add support for the Arduino Nano Matter #727

Job	Run time
Build and package cores	12m 12s
Split off zephyr_unoq	18s
Split off zephyr	10s
Split off zephyr_contrib	14s
Split off zephyr_main	9s
Test zephyr_main:giga	2m 34s
Test zephyr_main:nano33ble	1m 55s
Test zephyr_contrib:nano_matter	2m 31s
Test zephyr_main:portentah7	1m 51s
Test zephyr:unoq	2m 25s
Test zephyr_main:portentac33	2m 33s
Test zephyr_contrib:ek_ra8d1	2m 22s
Test zephyr_contrib:frdm_mcxn947	2m 28s
Test zephyr_main:opta	2m 25s
Test zephyr_contrib:frdm_rw612	2m 25s
Test zephyr_main:niclasense	2m 32s
Collect logs	11s
verify-core	0s
Publish jsons	23s
Publish core	0s
cleanup-artifacts	4s
	39m 42s

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