ASoC: soc-core: soc_set_name_prefix(): get component device_node at out of loop

ASoC: soc-core: soc_set_name_prefix(): get component device_node at out of loop

Component device_node is not related to codec_conf loop at
soc_set_name_prefix().
This patch moves it to out of loop.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/87v9qpxbkj.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>