ASoC: dt-bindings: add q6apm digital audio stream bindings

On AudioReach audio Framework, Audio Streams (PCM/Compressed) are managed by
Q6APM(Audio Process Manager) service. This patch adds bindings for this DAIs
exposed by the DSP.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211026111655.1702-9-srinivas.kandagatla@linaro.org


Signed-off-by: Mark Brown <broonie@kernel.org>