[bazel] Adjust llvm:DebugInfo after D149501 (BTF.h)

Author: MaskRay

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

@@ -394,7 +394,8 @@ cc_library(
 
 cc_library(
     name = "DebugInfo",
-    hdrs = glob(["include/llvm/DebugInfo/*.h"]),
+    hdrs = glob(["include/llvm/DebugInfo/**/*.h"]),
+    textual_hdrs = glob(["include/llvm/DebugInfo/**/*.def"]),
     copts = llvm_copts,
     deps = [
         ":Object",