[bazel] Turn on LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING

This has been defined in llvm#137787 and affects in
llvmorg-21-init-10310-g92195f6fc873 (llvm#137787).

Author: chapuni

utils/bazel/llvm-project-overlay/llvm/include/llvm/Config/llvm-config.h

@@ -124,6 +124,11 @@
 /* Define to 1 if you have the DIA SDK installed, and to 0 if you don't. */
 #define LLVM_ENABLE_DIA_SDK 0
 
+/* Define if building LLVM with LLVM_ENABLE_TELEMETRY */
 #define LLVM_ENABLE_TELEMETRY 1
 
+/* Define to 1 to enable expensive checks for debug location coverage checking,
+   and to 0 otherwise. */
+#define LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING 1
+
 #endif