ASoC: SOF: IPC4: query fw_context_save feature from fw

ASoC: SOF: IPC4: query fw_context_save feature from fw

Driver queries fw_context_save feature when fw is ready and can skip
library reload with this feature since library is saved in persistent
memory. The default value of fw_context_save is true unless fw reports
false.

Signed-off-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://msgid.link/r/20231215083102.3064200-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>