[X86][Haswell][Znver1] Fix typo in fldl instregexs

Missing comma was casing 2 instregex entries to be concatenated together by mistake.

Found while investigating PR35548

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@327992 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed