<!--- Verify first that your feature was not already discussed on GitHub -->
<!--- Complete *all* sections as described, this form is processed automatically -->

##### SUMMARY
<!--- Describe the new feature/improvement briefly below -->
Add 'restart' state or restart option to the `ovirt_vm` module.

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
ovirt_vm

##### ADDITIONAL INFORMATION
<!--- Describe how the feature would be used, why it is needed and what it would solve -->

<!--- Paste example playbooks or commands between quotes below -->
```yaml

```

<!--- HINT: You can also paste gist.github.com links for larger files -->

vm_existed = True if vm else False
        control_state(vm, vms_service, module)
        if state in ('present', 'running', 'next_run'):
            if module.params['xen'] or module.params['kvm'] or module.params['vmware']:
                vms_module.changed = import_vm(module, connection)
            
            
            
            ret = vms_module.create(
                entity=vm,
                result_state=otypes.VmStatus.DOWN if vm is None else None,
                update_params={'next_run': module.params['next_run']} if module.params['next_run'] is not None else None,
                clone=module.params['clone'],
                clone_permissions=module.params['clone_permissions'],
                _wait=True if not module.params['wait'] and state == 'running' else module.params['wait'],
            )
            
            if module.check_mode and ret.get('id') is None:
                module.exit_json(**ret)
            vms_module.post_present(ret['id'])
            
            if state == 'running':
                def kernel_persist_check():
                    return (module.params.get('kernel_params') or
                            module.params.get('initrd_path') or
                            module.params.get('kernel_path')
                            and not module.params.get('cloud_init_persist'))
                initialization = vms_module.get_initialization()
                ret = vms_module.action(