Add new persona value in the 3PAR driver

A new persona type, '12 - OpenVMS' was added to the list of valid
personas in the 3PAR drivers. This persona was introduced in the
3.1.2 MU2 firmware update on the 3PAR storage array.

DocImpact

Change-Id: Ib848938d261acfdc8a422a03668cada109e97173
Merge "Add new persona value in the 3PAR driver"