ACPICA: Fix for package reference counts

Prevents infinite loop of 'Large Reference Count' messages in
aslts-bdemo-b286 test.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>