glados: Enable DPTF

- Add ACPI code for DPTF support with placeholder thresholds
- Do not have custom PDL for mainboard
- Do not have enable charger control for DPTF as there is
already a complicated charge profile in the EC.  We may still
want to enable this but it would need to be tuned to work
well with the EC profile.

BUG=chrome-os-partner:40635
BRANCH=none
TEST=emerge-glados coreboot

Change-Id: I8cd2e0ea9c322ea92c101995e8e706f063428a45
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 55d3614441d6701a6d6f0f9d1ade94364ef2594a
Original-Change-Id: Ie4587572742d3bcdba7c008fc195213ac50c9d9e
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/297745
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/11569
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
3 files changed