Arm backend: Move the rodata to the DDR and bring the ITCM limit back…

[gggekov]

… to 512KB

This allows us to deploy models on the MPS3 FPGA board running the Corstone-300 design

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/7008

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❌ 4 New Failures

As of commit 9cb72ef with merge base 270d055 ():

NEW FAILURES - The following jobs have failed:

• trunk / test-models-macos (cmake, add, xnnpack-quantization-delegation, macos-m1-stable, 90) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• trunk / test-models-macos (cmake, emformer_join, xnnpack-quantization-delegation, macos-m1-stable, 90) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• trunk / test-models-macos (cmake, ic3, xnnpack-quantization-delegation, macos-m1-stable, 90) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• trunk / test-models-macos (cmake, mv2, xnnpack-quantization-delegation, macos-m1-stable, 90) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1

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[zingo]

@pytorchbot label "topic: not user facing"

[pytorch-bot]

Please seek CI approval before scheduling CIFlow labels