<!--- 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 -->

elif sysprep:
            self._initialization = otypes.Initialization(
                **sysprep
            )
        return self._initialization
    def __attach_host_devices(self, entity):
        vm_service = self._service.service(entity.id)
        host_devices_service = vm_service.host_devices_service()
        host_devices = self.param('host_devices')
        updated = False
        if host_devices:
            device_names = [dev.name for dev in host_devices_service.list()]
            for device in host_devices:
                device_name = device.get('name')
                state = device.get('state', 'present')
                if state == 'absent' and device_name in device_names:
                    updated = True
                    if not self._module.check_mode:
                        device_id = get_id_by_name(host_devices_service, device.get('name'))
                        host_devices_service.device_service(device_id).remove()
                elif state == 'present' and device_name not in device_names:
                    updated = True
                    if not self._module.check_mode:
                        host_devices_service.add(
                            otypes.HostDevice(
                                name=device.get('name'),
                            )
                        )
        return updated
def _get_role_mappings(module):