This enables to capture snapshot of controller information via device
coredump machanism, and it helps diagnose and debug issues.
The nvme device coredump is triggered when command timeout occurs, and
creates the following coredump files.
- regs: NVMe controller registers (00h to 4Fh)
- sq<qid>: Submission queue
- cq<qid>: Completion queue
- telemetry-ctrl-log: Telemetry controller-initiated log (if available)
- data: Empty