Consolidate ACPI #defines in include/lib/acpi.h

This adds more ACPI EC register definitions while moving the existing
ones out of chip-specific code and giving them more appropriate names.

BRANCH=None
BUG=None
TEST=compile tested for butterfly

Change-Id: I952396b83df553caa4c61d4aae6c1fe3eefa63af
Reviewed-on: https://gerrit.chromium.org/gerrit/33384
Commit-Ready: David Hendricks <dhendrix@chromium.org>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>
3 files changed