ASoC: simple-card: dai_link->init should be cared when multi DAI

6a91a17b
(ASoC: simple-card: Handle many DAI links)
added multi DAI support on simple-card.
This means priv->dai_link might be pointer of multi DAI.
dai_link->init is needed for all DAI.
This patch cares it for all DAIs on DT/non-DT

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>