Add audiobusio.I2SOut() support to Zephyr #17923

Job	Run time
scheduler	54s
mpy-cross-mac	23s
tests / zephyr	18m 33s
tests / run (native_mpy)	36s
tests / run (all)	59s
tests / run (mpy)	38s
mpy-cross / build (static)	25s
mpy-cross / build (static-raspbian)	48s
tests / run (native)	44s
mpy-cross / build (static-mingw)	54s
mpy-cross / build (static-aarch64)	40s
windows	0s
docs	0s
windows-zephyr	0s
ports (zephyr-cp) / board (nordic_nrf54h20dk)	31m 8s
ports (zephyr-cp) / board (st_stm32h7b3i_dk)	39m 2s
ports (zephyr-cp) / board (nxp_frdm_rw612)	37m 37s
ports (zephyr-cp) / board (native_native_sim)	30m 33s
ports (zephyr-cp) / board (st_nucleo_u575zi_q)	27m 23s
ports (zephyr-cp) / board (native_nrf5340bsim)	26m 36s
ports (zephyr-cp) / board (nordic_nrf7002dk)	37m 52s
ports (zephyr-cp) / board (st_stm32wba65i_dk1)	26m 32s
ports (zephyr-cp) / board (nxp_frdm_mcxn947)	33m 46s
ports (zephyr-cp) / board (nordic_nrf54l15dk)	26m 16s
ports (zephyr-cp) / board (renesas_ek_ra8d1)	29m 36s
ports (zephyr-cp) / board (nxp_mimxrt1170_evk)	37m 40s
ports (zephyr-cp) / board (renesas_ek_ra6m5)	26m 43s
ports (zephyr-cp) / board (nordic_nrf5340dk)	36m 56s
ports (zephyr-cp) / board (st_stm32h750b_dk)	31m 15s
ports (zephyr-cp) / board (adafruit_feather_nrf52840_zephyr)	26m 39s
ports (zephyr-cp) / board (st_nucleo_n657x0_q)	29m 13s
ports (zephyr-cp) / board (renesas_da14695_dk_usb)	31m 17s
	9h 51m 38s

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