Fix iree/tools/CMakeLists.txt
Fix iree/tools/CMakeLists.txt

@llvm-project//mlir:SDBM dep was removed in https://github.com/google/iree/commit/79b24eb453b1092095ce1cacf4372158c13ebc97

PiperOrigin-RevId: 382350434

google/iree,google/iree,iree-org/iree,google/iree,iree-org/iree,iree-org/iree,google/iree,google/iree,iree-org/iree,iree-org/iree,iree-org/iree,google/iree,google/iree,iree-org/iree