[libfabric-users] fi_domain_bind returns function not implemented

[Hefty, Sean]

> The tcp provider does not support fi_domain_bind().  This is true for the current code.
> 
> Apparently, no application has requested this functionality from the provider.  It
> shouldn't be difficult to add. (It probably just needs to call some utility function.)

The utility functionality wasn't there either.  I've opened a PR to add this and update the tcp provider:

https://github.com/ofiwg/libfabric/pull/6349

This will only work for the CM events.

- Sean