ASoC: atmel_ssc_dai: Handle errors for clk_enable

As the potential failure of the clk_enable(),
it should be better to check it and return error if fals.

Fixes: cbaadf0f ("ASoC: atmel_ssc_dai: refactor the startup and shutdown")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220301090637.3776558-1-jiasheng@iscas.ac.cn


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