ASoC: mxs-saif: Handle errors for clk_enable

As the potential failure of the clk_enable(),
it should be better to check it, like mxs_saif_trigger().

Fixes: d0ba4c01

 ("ASoC: mxs-saif: set a base clock rate for EXTMASTER mode work")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220301081717.3727190-1-jiasheng@iscas.ac.cn


Signed-off-by: Mark Brown <broonie@kernel.org>