A function pci_dev_disable_bus_master() is created. This function
can be used to disable Thunderbolt PCIe root ports, bridges and
devices for Vt-d based security platform at end of boot service.
BUG=None
TEST=Verified PCIe device bus master enable bit is cleared.
Signed-off-by: John Zhao <john.zhao@intel.com>
Change-Id: Ie92a15bf2c66fdc311098acb81019d4fb7f68313
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41042
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
95b4ece0fe