aml: Use the shortest possible form to generate integers
aml: Use the shortest possible form to generate integers

Per ACPI Machine Language (AML) Specification, all integers encodings
are equally accepted; hence one can always the shortest possible forms.

BUG=None
TEST=./tools/presubmit

Change-Id: I7f1802607e173d41d1ae9ba26a036e9bfcd95121
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3878738
Tested-by: Victor Ding <b4a7cab2b204d4052366cc26438aa3555eb3d577@chromium.org>
Reviewed-by: Daniel Verkamp <72bc170b46ec491f7bdd4359a1c0bfed274de40c@chromium.org>
Commit-Queue: Daniel Verkamp <72bc170b46ec491f7bdd4359a1c0bfed274de40c@chromium.org>
Auto-Submit: Victor Ding <b4a7cab2b204d4052366cc26438aa3555eb3d577@chromium.org>

google/crosvm,google/crosvm,google/crosvm,google/crosvm