T6496: Added support for WPA-Enterprise client-mode

[part1cleth1ef]

Change Summary

Added support for WPA-Enterprise client-mode

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Code style update (formatting, renaming)
• [ ] Refactoring (no functional changes)
• [ ] Migration from an old Vyatta component to vyos-1x, please link to related PR inside obsoleted component
• [ ] Other (please describe):

Related Task(s)

• https://vyos.dev/T6496

Related PR(s)

Component(s) name

wireless

Proposed changes

How to test

Configuration:

vyos@vyos# edit interfaces wireless wlan0
set security wpa enterprise_username 'somedomain\someuser'
set security wpa enterprise_passphrase 'somepassphrase'
vyos@vyos#

show interface wireless output:

vyos@vyos:~$ show interfaces wireless
Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
Interface        IP Address                        S/L  Description
---------        ----------                        ---  -----------
wlan0            -                                 A/D  SWC-24
wlan1            10.1.0.1/24                       A/D  Test AP (2.4Ghz)
wlan2            10.6.32.101/20                     u/u  SWC-5
vyos@vyos:~$

Smoketest result

Checklist:

• [x] I have read the CONTRIBUTING document
• [x] I have linked this PR to one or more Phabricator Task(s)
• [x] I have run the components SMOKETESTS if applicable
• [X] My commit headlines contain a valid Task id
• [ ] My change requires a change to the documentation --> it doesn't seem like the docs for wireless security document everything so I'm going to take that approach.
• [ ] I have updated the documentation accordingly