drivers: dai: Add initial support for NXP MICFIL PDM IP

Introduce new DAI driver used for NXP's PDM MICFIL IP.
This block implements required digital interface to provide
a 24-bits audio signal from a PDM microphone bitstream in a configurable
output sampling rate.

Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
6 files changed