google/butterfly: add cpu/gpu pwm backlight register values

Required for functional internal display on butterfly using libgfxinit.

Test: boot/build butterfly, verify internal display functional
prior to OS driver loading.

Change-Id: Ib8060f2d1ad0694f0886d35c83763907f61b47b1
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/30819
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions