mb/google/reef: Disable Intel Trace Hub PCI device
It's not particularly useful to end users, and shows up as an unknown
PCI device under Windows Device Manager.
TEST=build reef, boot Windows, verify unknown PCI device no longer
present in Device Manager.
Change-Id: Ie8ec46e2e07b6635bfe9766812ce08b866c71d66
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74890
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>