Implement suspend, resume callbacks, store config at suspend and restore
config at time of resume
Signed-off-by: NTharun Kumar P <tharunkumar.pasumarthi@microchip.com>
Link: https://lore.kernel.org/r/20221006050514.115564-3-tharunkumar.pasumarthi@microchip.comSigned-off-by: NMark Brown <broonie@kernel.org>