Add GPL QCSuper Android bridge backend

[mbound]

Summary

Adds a GPL-3.0-or-later Qualcomm backend interoperating with QCSuper's Android /dev/diag TCP bridge.

New functionality

• new sixgrok-qcsuper workspace crate / 6grok-qcsuper executable
• probe, disable, and live capture through QCSuper adb_bridge (default 127.0.0.1:43555)
• active Qualcomm DIAG_LOG_CONFIG_F masks over the bridge
• QCSuper-derived signaling, ip, and full capture profiles
• normalized JSONL output and direct MessagePack uplink to 6grok-api
• pinned QCSuper provenance at aa555b4f7f25f7a8bf4e5afd4dcb884edf2f6735

Protocol validation

The Qualcomm log-mask last_item ambiguity was cross-checked against Qualcomm DIAG sources and Osmocom. last_item is retained as an inclusive index, so mask size remains floor(last_item / 8) + 1; the boundary is regression-tested.

Licensing

• new backend is GPL-3.0-or-later
• QCSuper-derived selections retain explicit upstream commit/path provenance
• reusable core remains dual MIT/GPL and contains no QCSuper-derived implementation
• REUSE classifications and THIRD_PARTY.md updated

Validation

Final branch head fecdcf91015370b9ca5805e798b8a2f19e7bf51b passed GitHub Actions run 33980837875: workspace tests/build, REUSE lint, and cargo-deny.