Add missing module/license header. NFC.
Add missing module/license header. NFC.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@296550 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit 12246fec03787fe72cdef35ae2b7f07012d46160)

apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm