NXP backend: Enable Add Tensor with new Neutron flow

[roman-janik-nxp]

Summary

Add tests verifying correct support for add.tensor by the Neutron backend using the new Neutron MLIR flow.

Test plan

Unit tests provided.

cc @robert-kalmar

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/19550

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❌ 1 New Failure, 2 Unrelated Failures

As of commit 348f0e9 with merge base 90a7cdb ():

NEW FAILURE - The following job has failed:

• pull / test-arm-backend-no-driver (test_pytest_ops_tosa) / linux-job (gh)
  RuntimeError: Command docker exec -t 24d44d36fc00260fadaa56dcd6d9bd627d6b9d506e9cf4aea3b35aa623fb2f8d /exec failed with exit code 1

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

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

• pull / unittest / macos / macos-job (gh) (trunk failure)
  ##[error]The operation was canceled.
• pull / unittest-editable / macos / macos-job (gh) (trunk failure)
  ##[error]The operation was canceled.

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[roman-janik-nxp]

@novak-vaclav

[novak-vaclav]

Just a few comments and questions, otherwise good job! 😊

[roman-janik-nxp]

Waiting on update to NC 3.1.1 to push the last changes.

EDIT: Some computation errors were caused by old NSYS version 3.4. Pushing passing tests with NSYS 3.7.

[linux-foundation-easycla]

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