This reverts commit fe4a150c, reversing
changes made to c98c2211.

This reverts commit ed0e9698, reversing
changes made to 734d1bd4.

This reverts commit 00aa2898, reversing
changes made to 39376a94.

This reverts commit b419957e.

* [Refactor] use getCustomOp instead of direct registry access

* [Refactor] move HLSCustomOp base to own file

* [Refactor] register all HLSCustomOps in new style

* [Refactor] use correct domain for custom ops acc. to new style

* [Deps] update finn-base to get new-style customop domains

* [Refactor] more domain fixes

* [Test] fix ipstitch expected io values in rtlsim

* [Deps] update finn-base and brevitas

* [Docs] link to CustomOp reorg PR