platform/x86: peaq_wmi: Fix missing terminating entry for peaq_dmi_table

Add missing terminating entry to peaq_dmi_table.

Fixes: 3b952061 ("platform/x86: peaq-wmi: Add DMI check before ...")
Cc: stable@vger.kernel.org
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>