Vmware:Add support for ParaVirtualSCSIController

This fix allows us to use ParaVirtualSCSIController
adapter type as 'paraVirtual' for 'vmware_adaptertype'.

DocImpact: Add vmware_adaptertype parameter paraVirtual
Change-Id: Id25287310e2aab27808d4be0b6b47303404e4fae
Closes-Bug: #1339462
Merge "Vmware:Add support for ParaVirtualSCSIController"