Refactored ARMTargetInfo in order to use the API of llvm/lib/Support/TargetParser.cpp for extracting target specific information.
Refactored ARMTargetInfo in order to use the API of llvm/lib/Support/TargetParser.cpp
for extracting target specific information.

Change-Id: Ia0b83ecdb8d9223f9c4ef38dd9206969f78e53f3

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@241267 91177308-0d34-0410-b5e6-96231b3b80d8

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