ASoC: Intel: avs: Power management

To preserve power during sleep operations, handle suspend (S3),
hibernation (S4) and runtime (RTD3) transitions. As flow for all of
is shared, define common handlers to reduce code size.

Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20220516101116.190192-14-cezary.rojewski@intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>