ASoC: Intel: Skylake: Fix NULL Pointer exception in dynamic_debug.

The following bug was reported by sometime back:

https://lkml.org/lkml/2016/6/29/795

This commit fixes this bug by setting value for the prefix string.

Signed-off-by: Vedang Patel <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
1 file changed