[nrf noup] drivers: i2s: nrfx: Align to driver without cb#3400

jaz1-nordic wants to merge 2 commits intocollab-nrfx-4.0nrfconnect/sdk-zephyr:collab-nrfx-4.0from

nrfx-8446_nrfx_i2s_without_cbnrfconnect/sdk-zephyr:nrfx-8446_nrfx_i2s_without_cbCopy head branch name to clipboard