Add a method to get the state of a bridge device.
Return true if at least one enabled device on the secondary
bus is found.
Useful to disable non hotplugable bridges without any devices attached.
BUG=none
BRANCH=none
TEST=none
Change-Id: Ib399f149940b6686273bf7818463a3f25ee53f96
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: a6909f88e9
Original-Change-Id: Ic8fe539d233031d4d177b03dd2c03edb5ab8c88d
Original-Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Original-Reviewed-on: https://review.coreboot.org/19817
Original-Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Original-Reviewed-by: Philippe Mathieu-Daud <philippe.mathieu.daude@gmail.com>
Original-Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://chromium-review.googlesource.com/523972
b4f329c78d