This adds emulation for the bpermd instruction.
Tested for correctness against the bpermd instruction on ppc64le.
Signed-off-by: NMatt Brown <matthew.brown.dev@gmail.com>
Reviewed-by: NCyril Bur <cyrilbur@gmail.com>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>