intel/skylake: ACPI: Clean up formatting in and fix ASL code

intel/skylake: ACPI: Clean up formatting in and fix ASL code

Clean up the formatting in various ASL files and remove
unused and/or incorrect field definitions.

Add back the methods to set the USB power in S3 field
in NVS as it is called by the chromium kernel at boot and
is currently complaining that the method is not found.

BUG=chrome-os-partner:44622
BRANCH=none
TEST=emerge-glados coreboot

Change-Id: I9726fb337bf53fa7dce72c5f30524b58abb4cab6
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 3a47eeba2792c3abed07be175034c709dbf60879
Original-Change-Id: I8e8388c9b834fd060990f8e069929ba829e29ab6
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/295952
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/11539
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>