ASoC: soc.h: add for_each_rtd_codecs/cpus_dai() macro

We are using plural form for for_each_xxx() macro.
But, for_each_rtd_codec/cpu_dai() are out of this rule.
This patch adds plural form macro.

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/8736aii326.wl-kuninori.morimoto.gx@renesas.com


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