[AVX512] Added intrinsics for 128-, 256- and 512-bit versions of VCMPGT{BWDQ}.
Patch by Sergey Lisitsyn <sergey.lisitsyn@intel.com>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218670 91177308-0d34-0410-b5e6-96231b3b80d8