[Clang][AVX512][intrinsics] Fix vscalef intrinsics.

Differential Revision: http://reviews.llvm.org/D20324


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270321 91177308-0d34-0410-b5e6-96231b3b80d8
8 files changed