linux-imx

ASoC: fsl_sai: Drop useless ret in startup()

We can save this ret to make the code neater.

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