ASoC: soc-component: add snd_soc_component_suspend()

Current ALSA SoC is directly using component->driver->xxx,
thus, it is deep nested, and makes code difficult to read,
and is not good for encapsulation.
This patch adds new snd_soc_component_suspend() and use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/877e855rn0.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc-component.h

@@ -353,5 +353,6 @@ int snd_soc_component_hw_free(struct snd_soc_component *component,
 int snd_soc_component_trigger(struct snd_soc_component *component,
 			      struct snd_pcm_substream *substream,
 			      int cmd);
+void snd_soc_component_suspend(struct snd_soc_component *component);
 
 #endif /* __SOC_COMPONENT_H */