ASoC: Intel: avs: Add peakvol runtime-parameter requests

Peakvol module allows for setting and obtaining DSP volume as well as
modifying shape and duration at which volume actually changes. Add IPC
messages to expose those capabilities.

Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/20221214185500.3896902-2-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>