commit 9c78255fdde45c6b9a1ee30f652f7b34c727f5c7 upstream.

This adds support for the Trace Hub in Tiger Lake PCH.
Signed-off-by: NAlexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: stable@vger.kernel.org # v4.14+
Link: https://lore.kernel.org/r/20190821074955.3925-5-alexander.shishkin@linux.intel.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>