[MLIR] Fix build breakage due to 5c5af910

Fix build breakage due to 5c5af910.

```commit 5c5af910
Author: Jeff Niu <jeff@modular.com>
Date:   Tue Aug 9 22:07:35 2022 -0400

    [mlir][LLVMIR] "Modernize" Insert/ExtractValueOp ```

results in

```lib/Conversion/LLVMCommon/MemRefBuilder.cpp:170:70: error: call of overloaded ‘makeArrayRef<int64_t>(<brace-enclosed initializer list>)’ is ambiguous
       llvm::makeArrayRef<int64_t>({kStridePosInMemRefDescriptor,
       pos}));

llvm/include/llvm/ADT/ArrayRef.h:505:15: note: candidate: ‘llvm::ArrayRef<T> llvm::makeArrayRef(const std::vector<T>&) [with T = long int]’
   ArrayRef<T> makeArrayRef(const std::vector<T> &Vec) {
               ^~~~~~~~~~~~
llvm/include/llvm/ADT/ArrayRef.h:516:37: note: candidate: ‘llvm::ArrayRef<T> llvm::makeArrayRef(const llvm::ArrayRef<T>&) [with T = long int]’
   template <typename T> ArrayRef<T> makeArrayRef(const ArrayRef<T> &Vec) {
                                                                      ^

Differential Revision: https://reviews.llvm.org/D131637