Add NVM support for Zephyr port #17919

Job	Run time
scheduler	50s
mpy-cross-mac	23s
mpy-cross / build (static)	20s
mpy-cross / build (static-raspbian)	44s
tests / zephyr	19m 11s
tests / run (native_mpy)	37s
mpy-cross / build (static-aarch64)	37s
mpy-cross / build (static-mingw)	45s
tests / run (all)	57s
tests / run (mpy)	39s
tests / run (native)	43s
docs	0s
windows-zephyr	0s
windows	0s
ports (zephyr-cp) / board (nordic_nrf7002dk)	35m 4s
ports (zephyr-cp) / board (adafruit_feather_nrf52840_zephyr)	26m 19s
ports (zephyr-cp) / board (nordic_nrf54l15dk)	24m 43s
ports (zephyr-cp) / board (native_nrf5340bsim)	29m 48s
ports (zephyr-cp) / board (nxp_frdm_mcxn947)	31m 52s
ports (zephyr-cp) / board (renesas_ek_ra6m5)	27m 18s
ports (zephyr-cp) / board (st_nucleo_n657x0_q)	28m 38s
ports (zephyr-cp) / board (st_stm32h7b3i_dk)	43m 46s
ports (zephyr-cp) / board (nordic_nrf54h20dk)	30m 6s
ports (zephyr-cp) / board (renesas_da14695_dk_usb)	25m 46s
ports (zephyr-cp) / board (nxp_frdm_rw612)	37m 21s
ports (zephyr-cp) / board (st_stm32wba65i_dk1)	26m 7s
ports (zephyr-cp) / board (nordic_nrf5340dk)	34m 23s
ports (zephyr-cp) / board (st_nucleo_u575zi_q)	27m 4s
ports (zephyr-cp) / board (native_native_sim)	24m 10s
ports (zephyr-cp) / board (renesas_ek_ra8d1)	28m 58s
ports (zephyr-cp) / board (st_stm32h750b_dk)	32m 41s
ports (zephyr-cp) / board (nxp_mimxrt1170_evk)	32m 5s
	9h 31m 55s

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