BugLink: https://bugs.launchpad.net/bugs/1801893

commit ffe84e01 upstream.

The workaround for missing CAS bit is also needed for xHC on Intel
sunrisepoint PCH. For more details see:

Intel 100/c230 series PCH specification update Doc #332692-006 Errata #8

Cc: <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Juerg Haefliger <juergh@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>