[X86][BtVer2] Fix the number of micro opcodes for AES[ENC|DEC] and other YMM instructions.

Similar to r328694. The number of micro opcodes should be 2 for those
instructions.

This was found when testing AVX code for BtVer2 using llvm-mca.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@328698 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed