Make sure acpi_device_id tables have terminate entry.

Fixes: 115b1aa2 ("coresight: acpi: Support for platform devices")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>