board: add support for the Arduino Nano Matter #744

Job	Run time
Build and package cores	10m 35s
Split off zephyr_main	12s
Split off zephyr_contrib	11s
Split off zephyr	9s
Split off zephyr_unoq	13s
Test zephyr_main:niclasense	2m 31s
Test zephyr_main:nano33ble	2m 26s
Test zephyr_contrib:nano_matter	2m 31s
Test zephyr_main:portentac33	2m 34s
Test zephyr_main:portentah7	2m 37s
Test zephyr_main:opta	2m 26s
Test zephyr:unoq	2m 16s
Test zephyr_main:giga	2m 30s
Test zephyr_contrib:ek_ra8d1	2m 25s
Test zephyr_contrib:frdm_rw612	2m 19s
Test zephyr_contrib:frdm_mcxn947	2m 29s
Collect logs	8s
Publish jsons	17s
verify-core	0s
Publish core	0s
cleanup-artifacts	4s
	38m 53s

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