[X86] Remove the redundant suffix in vfpclassp[d,s]'s broadcasting variant

[X86] Remove the redundant suffix in vfpclassp[d,s]'s broadcasting variant

The broadcasting variant for instruction vfpclassp[d,s] shouldn't use suffix q/l. So remove them from the template.

Patch by Pengfei Wang

Differential Revision: https://reviews.llvm.org/D61295

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359753 91177308-0d34-0410-b5e6-96231b3b80d8