samus: Enable keyboard backlight

Hardware / Coreboot - Duncan Laurie [chromium.org] - 18 January 2015 18:54 UTC

- Turn on keyboard backlight early in boot (not resume) path as a sign of life for the system- Add ACPI device for keyboard backlight so the kernel can find and make use of it

BUG=chrome-os-partner:30586 BRANCH=None TEST=build and boot on samus

Original-Change-Id: Iecaef0ec5c814774e19d7c4a14cb92dc236cfee3

515d3d2 samus: Enable keyboard backlight
src/mainboard/google/samus/acpi/mainboard.asl | 18 ++++++++++++++++++
src/mainboard/google/samus/romstage.c | 6 +++++-
2 files changed, 23 insertions(+), 1 deletion(-)

Upstream: review.coreboot.org

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