Update release build script for acpidump.

Add new utility to the ACPICA release script.
iASL: If a non-serialized method creates named objects, issue remark.

If a thread blocks within the method for any reason, and another thread
enters the method, the method will fail because an attempt will be
made to create the same (named) object twice.

In this case, issue a remark that the method should be marked
serialized. ACPICA BZ 909.