Add an op in the OMP dialect to model the `target update` direcive. This change reuses the `MapInfoOp` used by other device directive to model `map` clauses but verifies that the restrictions imposed by the `target update` directive are respected.
Add an op in the OMP dialect to model the `target update` direcive. This change reuses the `MapInfoOp` used by other device directive to model `map` clauses but verifies that the restrictions imposed by the `target update` directive are respected.