tsan: fix Go ppc64le build

This #define is in the non-Go ppc64le build but not in the Go build.

Reviewed-in: https://reviews.llvm.org/D68046
Author: randall77 (Keith Randall)



git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@374868 91177308-0d34-0410-b5e6-96231b3b80d8

Author: dvyukov

lib/tsan/rtl/tsan_platform.h

@@ -457,6 +457,8 @@ struct Mapping47 {
   static const uptr kAppMemEnd     = 0x00e000000000ull;
 };
 
+#define TSAN_RUNTIME_VMA 1
+
 #elif SANITIZER_GO && defined(__aarch64__)
 
 /* Go on linux/aarch64 (48-bit VMA)