Enable support of pm_runtime on STM32 DFSDM audio driver
to allow power state monitoring.
Signed-off-by: NOlivier Moysan <olivier.moysan@foss.st.com>
Link: https://lore.kernel.org/r/20211119104752.13564-3-olivier.moysan@foss.st.comSigned-off-by: NMark Brown <broonie@kernel.org>