*vl-scopes->portdecls*
Information about the kinds of scopes that have port declarations.
BOZO do we want to add function/task ports here?
Definition: *vl-scopes->portdecls*
(defconst *vl-scopes->portdecls*
'((interface nil portdecl)
(module nil portdecl)
(genblob nil portdecl)))