This patch adds the Multilpy Even/Odd Word instructions that are introduced
in Power ISA Version 2.07:

  - Vector Multiply Even Unsigned Word (vmuleuw)
  - Vector Multiply Even Signed Word (vmulesw)
  - Vector Multiply Odd Unsigned Word (vmulouw)
  - Vector Multiply Odd Signed Word (vmulosw)
Signed-off-by: NTom Musta <tommusta@gmail.com>
Signed-off-by: NAlexander Graf <agraf@suse.de>