[nrf fromlist] drivers: audio: pdm: Align to driver without cb#3416

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

jaz1-nordic:nrfx-8447_nrfx_pdm_without_cbjaz1-nordic/ncs-sdk-zephyr:nrfx-8447_nrfx_pdm_without_cbCopy head branch name to clipboard