Commit xilinx ticket changes to vivado repo

[datum-dpoulin]

Task Outcome

Migrate changes made to the core-v-verif codebase to get the test bench to work with vivado to the 'vivado' branch.

Background information

This is part of the broader effort to get the vivado simulator to work with core-v-verif

Location Information

'vivado' branch

Completion Criteria

Must be able to get the codebase to compile+elaborate

Additional context

None