CVXIF : Integrate cvxif tests into CI

Created by: AyoubJalali

Hello, This PR contain commit related to integrate cvxif tests into continuous integration :

1. Add cvxif description in the yaml file also create a shell script to generate & run it
2. Add job for generate and directed cvxif tests
3. Modify in CVA6-DV to generate more cvxif tests as we want to cover some corner cases
4. Add directed tests in Supervisor and user mode for cvxif tests