Add support for logging event under interfaces

[titom73]

Change Summary

Extend data model to support logging event link-status at the interface level.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Code style update (formatting, renaming)
• Refactoring (no functional changes)
• Documentation content changes
• Other (please describe):

Related Issue(s)

Fixes #569

Component(s) name

arista.avd.eos_cli_config_gen

Proposed changes

Extend data model for the following interfaces to support logging event link-status

• Ethernet
• Port-Channel

How to test

Use Molecule or insert following YAML in an interface definition

type: routed
logging:
  event:
    link_status: true

Checklist:

• I have read the CONTRIBUTING document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• All new and existing tests passed (pre-commit, make linting and make sanity-lint).
• I have updated molecule CI testing accordingly

[carlbuchmann]

LGTM!

[carlbuchmann]

LGTM!