atomisp: fix typo in lock initialization

atomisp: fix typo in lock initialization

BZ: 23514

Fix typo when the same lock was initialized twice.

During the fix of another issue the lock was initialized twice. This patch
fixes the typo.

Change-Id: If5b42286ae9cd7de30bf9bb8844cf7dd7e01b7e7
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-on: http://android.intel.com:8080/34936
Reviewed-by: Shevchenko, Andriy <andriy.shevchenko@intel.com>
Reviewed-by: Koskinen, Ilkka <ilkka.koskinen@intel.com>
Reviewed-by: Toivonen, Tuukka <tuukka.toivonen@intel.com>
Reviewed-by: Wang, Wen W <wen.w.wang@intel.com>
Tested-by: Koski, Anttu <anttu.koski@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>