Arm: Support ABS operator in Arm backend

[YufengShi-dudu]

Add abs op to Arm backend

Change-Id: I7a84482ef868bbbd3c906c7dcf577ed2d7a40ecf
Signed-off-by: Yufeng Shi yufeng.shi@arm.com

cc @digantdesai @freddan80 @per @zingo @oscarandersson8218

[pytorch-bot]

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❌ 1 Cancelled Job, 1 Pending

As of commit 4ff62be with merge base 14ff52f ():

CANCELLED JOB - The following job was cancelled. Please retry:

• trunk / test-models-macos (cmake, add_mul, portable, macos-m1-stable, 90) / macos-job (gh)
  ##[error]The operation was canceled.

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[YufengShi-dudu]

@pytorchbot label ciflow/trunk

[YufengShi-dudu]

@pytorchbot label 'partner: arm'

[YufengShi-dudu]

@pytorchbot label "topic: not user facing"

[pytorch-bot]

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[pytorch-bot]

To add the ciflow label ciflow/trunk please first approve the workflows that are awaiting approval (scroll to the bottom of this page).

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[pytorch-bot]

To add the ciflow label ciflow/trunk please first approve the workflows that are awaiting approval (scroll to the bottom of this page).

This helps ensure we don't trigger CI on this PR until it is actually authorized to do so. Please ping one of the reviewers if you do not have access to approve and run workflows.

[pytorch-bot]

To add the ciflow label ciflow/trunk please first approve the workflows that are awaiting approval (scroll to the bottom of this page).

This helps ensure we don't trigger CI on this PR until it is actually authorized to do so. Please ping one of the reviewers if you do not have access to approve and run workflows.

[zingo]

MacOS fails are unrelated.