ASoC: simple-card-utils: remove unnecessary cpu/codec pointer check

Remove cpu/codec pointer check from asoc_simple_card_canonicalize_dailink()
This is verbose check, and will be issue if CPU name was created by
fmt_single_name() on simple-scu-card.c.
see also asoc_simple_card_canonicalize_cpu()
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/generic/simple-card-utils.c

@@ -195,9 +195,6 @@ EXPORT_SYMBOL_GPL(asoc_simple_card_init_dai);
 
 int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link)
 {
-	if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name)
-		return -EINVAL;
-
 	/* Assumes platform == cpu */
 	if (!dai_link->platform_of_node)
 		dai_link->platform_of_node = dai_link->cpu_of_node;