Upstream: PATCH v3 11/14 ASoC: SOF: Add PM support #415

+#define RUNTIME_PM 1

What's this? This seems used in snd_soc_runtime_suspend() and
_resume(). But it's a just normal boolean flag, no?

sof_suspend_stream()
Both playback and capture do the same thing, so this can be a loop of
dir.