ASoC: SOF: ipc3-topology: Fix pipeline tear down logic #4808
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With the change in the widget free logic to power down the cores only when the scheduler widgets are freed, we need to ensure that the scheduler widget is freed only after all the widgets associated with the scheduler are freed. This is to ensure that the secondary core that the scheduler is scheduled to run on is kept powered on until all widgets that need them are in use. While this works well for dynamic pipelines, in the case of static pipelines the current logic does not take this into account and frees all widgets in the order they occur in the widget_list. So, modify this to ensure that the scheduler widgets are freed only after all other types of widgets in the widget_list are freed.
Fixes: 31ed8da ("ASoC: SOF: sof-audio: Modify logic for enabling/disabling topology cores")
Fixes #4807