message: Update list of supported architectures.
diff: @@ -67,11 +67,11 @@ Platform Support
  LLDB is known to work on the following platforms, but ports to new platforms
  are welcome:
  -* macOS desktop user space debugging for i386 and x86-64
  -* iOS simulator debugging on i386
  -* iOS device debugging on ARM
  -* Linux local user-space debugging for i386, x86-64 and PPC64le
  -* FreeBSD local user-space debugging for i386 and x86-64
  +* macOS desktop user space debugging for i386 and x86_64
  +* iOS simulator debugging on i386 and x86_64
  +* iOS device debugging on ARM and AArch64
  +* Linux local user-space debugging for i386, x86_64 and PPC64le
  +* FreeBSD local user-space debugging for i386 and x86_64
  * Windows local user-space debugging for i386 (*)
  (*) Support for Windows is under active development. Basic functionality is
  