|SUCCESS| config/arm: add Marvell CN20k

[dpdklab at iol.unh.edu]

Test-Label: ai-code-review
Test-Status: SUCCESS
https://dpdk.org/patch/172352

_AI Code Review_

=== Patch Review: series.patch (via Claude) ===
Review date: 2026-11-02

# DPDK Patch Review

## Analysis

This patch adds build configuration support for a new ARM SoC (Marvell CN20k) by creating a cross-compilation configuration file and registering the platform in the meson build system. The changes are straightforward and follow existing patterns in the codebase.

### Code Review

**config/arm/arm64_cn20k_linux_gcc:**
- Standard meson cross-compilation configuration file
- Follows the same structure as other ARM SoC configurations in the tree
- Toolchain paths and settings are appropriate for cross-compilation

**config/arm/meson.build:**
- Adds `soc_cn20k` configuration dictionary following the established pattern
- Includes necessary SoC-specific settings (max lcores, NUMA config, part number)
- Updates platform list and soc dictionary appropriately
- Maintains alphabetical ordering in the platform help text

### Verification of Requirements

**Correctness:**
- No resource management issues (no allocations, no error paths)
- No race conditions or synchronization issues
- Configuration values are compile-time constants

**Style compliance:**
- Configuration file follows meson cross-file format
- Python-style indentation (4 spaces) correctly used in meson.build
- Alphabetical ordering maintained in soc list

**API/Documentation:**
- No API changes introduced
- Platform added to built-in help text (`meson_options.txt` list)
- No release notes needed: this is configuration-only, not a new feature or API

**Build system:**
- Follows existing pattern for ARM SoC cross-compilation configs
- No forbidden tokens or deprecated constructs

### Observations

All findings verified against code that was actually read (the patch diff).

No correctness bugs identified.
No style violations identified.
No process violations identified.

Review-Result: CLEAN