Squashed 'src/llvm/tools/lld/' content from commit 3bbc7c9

git-subtree-dir: src/llvm/tools/lld
git-subtree-split: 3bbc7c99f1aaed1c0335716b03746742b400381d
Merge commit '686cfe4ef26fb6abcf2a319f8b989730d804f44f' as 'src/llvm/tools/lld'
Added updater for lld