[compiler-rt] [OpenMPIRBuilder] Add ThreadLimit and NumTeams clauses to teams construct (PR #68364)

[Kiran Chandramohan via llvm-commits]

https://github.com/kiranchandramohan approved this pull request.

This is OK with me.

The only question is whether we should use the `__kmpc_push_num_teams` in the case when the `lowerbound` is not specified.

Please wait for a day to see whether there is any opinion on this topic.

https://github.com/llvm/llvm-project/pull/68364