Clarify NICo hardware compatibility scope

[jpc204]

Summary

• clarify that the HCL lists hardware currently supported and compatible from a NICo perspective
• distinguish NICo compatibility from platform certification or qualification and direct those questions to the hardware manufacturer
• link contributors to the new hardware support guide when the NICo development team does not have the hardware

Impact

Documentation only; no runtime behavior changes.

Validation

• compared the branch against current upstream main
• confirmed that only docs/hcl.md changed
• verified that the relative link targets docs/development/new_hardware_support.md

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Enterprise

Run ID: 82e9498b-6fc3-4174-8ce0-c6a6d8d403dc

📥 Commits

Reviewing files that changed from the base of the PR and between 03fbea2 and 2bdc5ff.

📒 Files selected for processing (1)

• docs/hcl.md

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Summary by CodeRabbit

• Documentation
  • Clarified the Hardware Compatibility List’s scope and support status.
  • Added a link to guidance for contributing support for new hardware.

Walkthrough

The HCL introduction now describes currently supported compatible hardware from a NICo perspective, clarifies that the list is not exhaustive certification, and links to guidance for adding hardware support.

Changes

HCL Documentation

Layer / File(s)	Summary
HCL scope and contribution guidance docs/hcl.md	The opening text defines NICo-specific compatibility scope, states that the HCL is not exhaustive certification or qualification, and links to the hardware support contribution guide.

Estimated code review effort: 1 (Trivial) | ~2 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main change: clarifying the NICo hardware compatibility scope.
Description check	✅ Passed	The description matches the documentation-only scope and accurately describes the HCL update.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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