ASoC: soc-component: add snd_soc_pcm_component_prepare()

We have 2 type of component functions
snd_soc_component_xxx()     is focusing to component itself,
snd_soc_pcm_component_xxx() is focusing to rtd related component.

Now we can update snd_soc_component_prepare() to
snd_soc_pcm_component_prepare(). This patch do it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/87o8pzw8yl.wl-kuninori.morimoto.gx@renesas.com


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