This code to handle the brightness from SMM is copied from the Lenovo
Thinkpad X60 code, but does not work on later generation. The PCI
device it tries to address does not even exist on those devices.
Change-Id: I0c25c3e5bec651b27158a84cc91289639a04ceb6
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33508
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
c82d7e76d5