ASoC: soc-core: remove duplicated soc_is_dai_link_bound()

ASoC: soc-core: remove duplicated soc_is_dai_link_bound()

soc_is_dai_link_bound() check will be called both
*before* soc_bind_dai_link() (A), and
*under*  soc_bind_dai_link() (B).
These are very verbose code. Let's remove one of them.

*	static int soc_bind_dai_link(...)
	{
		...
(B)		if (soc_is_dai_link_bound(...)) {
			...
			return 0;
		}
		...
	}

	static int snd_soc_instantiate_card(...)
	{
		...
		for_each_card_links(...) {
(A)			if (soc_is_dai_link_bound(...))
				continue;

*			ret = soc_bind_dai_link(...);
			if (ret)
				goto probe_end;
		}
		...
	}

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/87a79a3jns.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>