ASoC: simple-scu-card: tidyup asoc_simple_card_parse_links() method

Current asoc_simple_card_parse_links() is setting dai_link daifmt.
But, asoc_simple_card_parse_links() is doing it.
This patch clean-up this point less method

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