Arm backend: Add schema for debug data capture

[tom-arm]

• Add DebugSchema defining debugging data format
• Defines DebugHook used to capture TOSA serialization events
• Add tests for DebugHook

Change-Id: If769d3d168e9e0aa4f034aa62cb8130ca8b3fb07

cc @digantdesai @freddan80 @per @zingo @oscarandersson8218

[pytorch-bot]

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❌ 1 New Failure, 1 Unrelated Failure

As of commit 610326c with merge base 71a7806 ():

NEW FAILURE - The following job has failed:

• trunk / test-huggingface-transformers-coreml (qwen3-1.7b|xnnpack|--quantize) / macos-job (gh)
  RuntimeError: Command bash /Users/runner/work/_temp/exec_script failed with exit code 138

BROKEN TRUNK - The following job failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• pull / unittest-nxp-neutron / linux-job (gh) (trunk failure)
  test_split_group_convolution__applied_by_default

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[zingo]

Nor NXP or huggingface tests problems are related