docs: Add ld64.lld to linker reference table
I forgot to ask the original author to add this to the original MR
@@ -56,6 +56,7 @@ These are return values of the `get_linker_id` method in a compiler object.
| ld.solaris | Solaris and illumos |
| ld.wasm | emscripten's wasm-ld linker |
| ld64 | Apple ld64 |
+| ld64.lld | The LLVM linker, with the ld64 interface |
| link | MSVC linker |
| lld-link | The LLVM linker, with the MSVC interface |
| xilink | Used with Intel-cl only, MSVC like |
