Adds typechecking for static (non-control-method) predefined names.
Migrates compiler to use the common predefined name table (acpredef.h).
Adds a single new file, aslpredef.c. ACPICA BZ 832.
Add new file for handling of ASL External() statements. Consolidates
all such code, it is used only for iASL disassembler (not kernel code
or acpiexec.)