acpidump: Expand the table offset field to 32 bits.
acpixtract: Add support to handle the expanded field.

Backwards compatibility is maintained.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>