mb/google/kahlee/dsdt.asl: Add method _SWS

_SWS is the recommended method of wake source retrieval. Now that PM1I and
GPEI are available at NVS, add the method _SWS to kahlee/grunt ACPI code.

BUG=b:76020953
TEST=Build grunt

Change-Id: I5930438af40e6f9177462582cafb65401d9c60f4
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/26217
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
2 files changed