Disable unused bridges that are not marked as hot-plugable.
Reduces idle power consumtion by ~200mWatt for each port.
Tested on Lenovo T430.
Change-Id: I6ee5e5f33824acdbca0f6ed28e90beab7fe10002
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/19818
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>