ASoC: SOF: add Kconfig option for probe workqueues

The probe workqueue is currently used in the HDaudio case, following
the example of the snd-hda-intel driver.

For development and validation, it's useful to enable the probe
workqueue even with ACPI devices or NOCODEC mode.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Daniel Baluta <daniel.baluta@gmail.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20210409220121.1542362-2-ranjani.sridharan@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/Kconfig

@@ -68,6 +68,17 @@ config SND_SOC_SOF_DEVELOPER_SUPPORT
 
 if SND_SOC_SOF_DEVELOPER_SUPPORT
 
+config SND_SOC_SOF_FORCE_PROBE_WORKQUEUE
+	bool "SOF force probe workqueue"
+	select SND_SOC_SOF_PROBE_WORK_QUEUE
+	help
+	  This option forces the use of a probe workqueue, which is only used
+	  when HDaudio is enabled due to module dependencies. Forcing this
+	  option is intended for debug only, but this should not add any
+	  functional issues in nominal cases.
+	  Say Y if you are involved in SOF development and need this option.
+	  If not, select N.
+
 config SND_SOC_SOF_NOCODEC
 	tristate