Add nxp backend profiling support

[irtrukhina]

Summary

Add profiling support for the NXP backend.

Test plan

All CI tests passed including new test for the profiling feature.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/19225

• 📄 Preview Python docs built from this PR

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⚠️ 11 Awaiting Approval

As of commit 7a2d30c with merge base e4ede92 ():

AWAITING APPROVAL - The following workflows need approval before CI can run:

• Build documentation (gh)
• Build Presets (gh)
• Cadence Build & Test (gh)
• Lint (gh)
• periodic (gh)
• pull (gh)
• Test ARM Backend (gh)
• Test CoreML Backend (gh)
• Test QNN Backend (gh)
• Test Vulkan Backend (gh)
• Test XNNPACK Backend (gh)

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[github-actions]

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