mfd: cs42l43: Disable IRQs during suspend

The ASoC CODEC driver masks the IRQs whilst entering and exiting
system suspend to avoid issues where the IRQ handler can run but PM
runtime is disabled. However, as the IRQs could also be used from
other parts of the driver, it would be better to move this handling to
the MFD level.

Remove the handling from the ASoC driver and move it to the MFD
driver. Whilst moving also ensure the IRQs are all masked at the device
level before powering down the device, as per hardware recommendations.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Acked-by: Mark Brown <broonie@kernel.org.>
Link: https://lore.kernel.org/r/20241014095202.828194-1-ckeepax@opensource.cirrus.com


Signed-off-by: Lee Jones <lee@kernel.org>