Enables backlight control under Windows.
Test: build/boot eve, verify screen backlight controls
available and functional under Windows 10.
Change-Id: Id4477d2ec71aefb4c9d2ead31cd5fd3bfad51981
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40122
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
205df70eb2