intel_sst: Set de-bounce time

In order to make jack detection behave properly, we have to set
the de-bounce time, otherwise, some weird events happens:
e.g. no plug-out event seen.

Signed-off-by: Lu Guanqun <guanqun.lu@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>