ASoC: Intel: avs: Parse module-extension tuples

ASoC: Intel: avs: Parse module-extension tuples

Anything that goes beyond module base config is an extension config. It
covers all fields for all specific module types available in ADSP
firmware. Add parsing helpers to support loading such information from
the topology file.

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/20220331135246.993089-4-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>