ADR-0018: LA replaces VA, BAAW segment-based mapping in PE_DMA,
1:1 (per-channel) and n:1 (aggregated) modes with parameterized
channel count.
ADR-0019: xbar/bridge removal, channel router topology with
horizontal line layout, aggregated router for n:1 mode,
unified NOC path for local/remote HBM access.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
