[Hexagon] Replace a static member variable in HexagonCVIResource (NFC)

This creates one instance of TUL per HexagonShuffler, which avoids thread-safety
issues with future changes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257215 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed