|SUCCESS| net/mlx5: fix LSC interrupt device flags

[dpdklab at iol.unh.edu]

Test-Label: ai-code-review
Test-Status: SUCCESS
https://dpdk.org/patch/172086

_AI Code Review_

=== Patch Review: series.patch (via Claude) ===
Review date: 2026-10-26

# DPDK Patch Review

## ERRORS

None identified.

## WARNINGS

None identified.

## INFO

### Documentation Update

The patch adds a line to the feature support table documenting that Link state interrupt (LSC) is Linux-only. This is clear and appropriate.

### Implementation Approach

The patch introduces OS-specific macros (`MLX5_NET_INTR_LSC_SUPPORTED`) in the OS-specific headers to control the `intr_lsc` field in the class driver structure. This is a clean and maintainable approach that properly separates platform-specific capabilities.

### Release Notes

This is a user-visible behavior fix: the driver was incorrectly advertising LSC interrupt support on Windows. Consider updating the release notes to document this fix so users understand the behavior change.

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Review-Result: CLEAN