Add test of annotation passing/handling

Add numerous tests that are checking the behavior of annotation passing
and consumption by CIRCT.  This adds tests for:

  - InlineInstance
  - FlattenInstance
  - dontTouch (of wires and nodes)
  - forceName (of modules only)
  - Deduplication and doNotDedup

Signed-off-by: Schuyler Eldridge <schuyler.eldridge@sifive.com>