Arm backend: add new cmake line to vgf tutorial

[Erik-Lundell]

Missed updating docs in #14885

cc @freddan80 @per @zingo @oscarandersson8218 @digantdesai

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/14935

• 📄 Preview Python docs built from this PR

Note: Links to docs will display an error until the docs builds have been completed.

❌ 1 New Failure, 6 Cancelled Jobs, 40 Pending

As of commit 781fe96 with merge base 8fbc42c ():

NEW FAILURE - The following job has failed:

• pull / test-samsung-models-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 250b29086c937abdf950a5b24657b4ba8fa94cb672e38c49b5b8af9f619fe719 /exec failed with exit code 1

CANCELLED JOBS - The following jobs were cancelled. Please retry:

• periodic / test-models-linux (buck2, mv3, portable, linux.2xlarge, 90) / linux-job (gh)
  ##[error]The operation was canceled.
• periodic / test-models-linux (buck2, mv3, xnnpack-quantization-delegation, linux.2xlarge, 90) / linux-job (gh)
  ##[error]The operation was canceled.
• periodic / test-models-linux (cmake, mv3, portable, linux.2xlarge, 90) / linux-job (gh)
  ##[error]The operation was canceled.
• periodic / test-models-linux (cmake, mv3, xnnpack-quantization-delegation, linux.2xlarge, 90) / linux-job (gh)
  ##[error]The operation was canceled.
• periodic / test-models-linux (cmake, vit, portable, linux.2xlarge, 90) / linux-job (gh)
  ##[error]The operation was canceled.
• periodic / test-models-linux (cmake, vit, xnnpack-quantization-delegation, linux.2xlarge, 90) / linux-job (gh)
  ##[error]The operation was canceled.

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[Erik-Lundell]

@pytorchbot cherry-pick --onto release/1.0 -c docs

[zingo]

@pytorchbot cherry-pick --onto release/1.0 -c docs

[pytorchbot]

Cherry picking #14935

The cherry pick PR is at #14938 The following tracker issues are updated:

• [v1.0.0] Release Tracker #14288 (comment)

Details for Dev Infra team

Raised by workflow job