ASoC: Intel: Skylake: Fix error return code in skl_probe()

Fix to return error code -ENODEV from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 87b2bdf0

 ("ASoC: Intel: Skylake: Initialize NHLT table")
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Acked-By: Vinod Koul <vinod.kou@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>