[X86] Merge the Has3DNow0F0FOpcode TSFlag into the OpMap encoding. NFC

The 3DNow instructions are encoded a little weird, but we can still represent it as an opcode map.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@328410 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed