[X86] Remove an unnecessary SmallVector that was collecting chains for two SDNode's we're still holding SDValues for. NFCI
[X86] Remove an unnecessary SmallVector that was collecting chains for two SDNode's we're still holding SDValues for. NFCI

We can just get the chains from those SDValues to create the TokenFactor.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@320757 91177308-0d34-0410-b5e6-96231b3b80d8

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