ec/lenovo/h8/ssdt: Add UWB ACPI interface

Add ACPI methods GUWB and SUWB for thinkpad_acpi.
Required for power control of the UWB module.

Change-Id: I8f9a56e45c0d765b0e06b8d3600bd3575dd09491
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/21003
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
3 files changed