ASoC: simple-card: fix __asoc_simple_card_dai_init

If the CPU/CODEC DAI set_sysclk() is not support, the -ENOTSUPP will returnd.
Here do the check like set_fmt().

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>