Fix frontier silicon EQ Mode not present on all devices

[wlcrs]

Breaking change

Proposed change

Add logic to test if EQ Mode can be retrieved in frontier_silicon

Type of change

• [ ] Dependency upgrade
• [x] Bugfix (non-breaking change which fixes an issue)
• [ ] New integration (thank you!)
• [ ] New feature (which adds functionality to an existing integration)
• [ ] Deprecation (breaking change to happen in the future)
• [ ] Breaking change (fix/feature causing existing functionality to break)
• [ ] Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #76159
• This PR is related to issue:
• Link to documentation pull request:

Checklist

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