[llvm] [BinaryFormat] Add "SFrame" structures and constants (PR #147264)

[Jonas Devlieghere via llvm-commits]

================
@@ -0,0 +1,165 @@
+//===-- llvm/BinaryFormat/SFrame.h ---SFrame Data Structures ----*- C++ -*-===//
----------------
JDevlieghere wrote:

```suggestion
//===-- llvm/BinaryFormat/SFrame.h ---SFrame Data Structures --------------===//
```

https://github.com/llvm/llvm-project/pull/147264