[mlir][NVVM] Add support for tcgen05.ld.red Op (#177330)
The commit adds the following:
- Adds tcgen05.ld.red Op with tests under tcgen05-ld-red.mlir and
tcgen05-ld-red-invalid.mlir
- Renamed ReduxKind to ReductionKind and renamed it across NVVM and GPU
Dialects
- Replaced Tcgen05LdRedOperationAtr with ReductionKindAttr
- Updated tcgen05.ld.red and nvvm.redux.sync tests
