SSE4A should not imply LZCNT and POPCNT. FMA4 should imply SSE4A. Add missing break at the end of btver1 feature list.
SSE4A should not imply LZCNT and POPCNT. FMA4 should imply SSE4A. Add missing break at the end of btver1 feature list.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@157680 91177308-0d34-0410-b5e6-96231b3b80d8

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