ASoC: fsi: Add check for clk_enable

ASoC: fsi: Add check for clk_enable

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

Fixes: 1bf4ea16e0c5 ("ASoC: fsi: add master clock control functions")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220302062844.46869-1-jiasheng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>