[AVX-512] Rename VPBROADCASTI32X2 and VPBROADCASTF32X2 instruction classes to match the mnemonic which does not include a 'P'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@284304 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed