Add code to mangle the triple for LLVM on ARM.  - I think we should get rid of this distinction though, but I need to discuss with the interested parties.
Add code to mangle the triple for LLVM on ARM.
 - I think we should get rid of this distinction though, but I need to discuss with the interested parties.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@81435 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang