[Bazel] Fixes fce08a6 (#190821)

This fixes fce08a642fe588ebc15ce9dc6066b30fff741ef5.

Co-authored-by: Google Bazel Bot <google-bazel-bot@google.com>

utils/bazel/llvm-project-overlay/mlir/BUILD.bazel

diff --git a/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel b/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
index bff77e6..78af34c 100644
--- a/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
@@ -1715,6 +1715,7 @@
     ],
     hdrs = [
         "include/mlir/Dialect/AMDGPU/IR/AMDGPUDialect.h",
+        "include/mlir/Dialect/AMDGPU/IR/AMDGPUEnums.h",
         "lib/Conversion/LLVMCommon/MemRefDescriptor.h",
     ],
     includes = ["include"],