[SystemZ] Small cleanups to SystemZScheduleZ13.td
[SystemZ] Small cleanups to SystemZScheduleZ13.td

Fixes a couple of whitespace errors, re-sorts the vector floating-point
instructions to make them more easily extensible, and adds a missing
pseudo instruction.

No functional change.



git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@307154 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,apple/swift-llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,apple/swift-llvm,apple/swift-llvm,llvm-mirror/llvm,llvm-mirror/llvm,apple/swift-llvm