mb/samsung/stumpy: Drop ACPI brightness controls

Stumpy is a Chromebox without a built-in display, and now
that default_brightness_levels.asl is no longer required
for all boards in a platform, drop it and the default panel
definition.

Test: build/boot stumpy

Change-Id: Iaf475f3529dd19330ea46532e9ffd20b44893f7e
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40046
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

0 files changed, 0 insertions, 0 deletions