bugfixes:
- Refactor nxos cliconf get_device_info for non structured output supported devices (https://github.com/ansible/ansible/pull/42089).
- Fix regex network_os_platform nxos (https://github.com/ansible/ansible/pull/42288).
- Fix get_device_info nxos zero or more whitespace regex (https://github.com/ansible/ansible/pull/43178).