[cadence] create sdk CI actions for CPU and DSP

[zonglinpeng]

Summary

[PLEASE REMOVE] See CONTRIBUTING.md's Pull Requests for ExecuTorch PR guidelines.

[PLEASE REMOVE] If this PR closes an issue, please add a Fixes #<issue-id> line.

[PLEASE REMOVE] If this PR introduces a fix or feature that should be the upcoming release notes, please add a "Release notes: " label. For a list of available release notes labels, check out CONTRIBUTING.md's Pull Requests.

Test plan

[PLEASE REMOVE] How did you test this PR? Please write down any manual commands you used and note down tests that you have written if applicable.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/8639

• 📄 Preview Python docs built from this PR

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❌ 2 New Failures, 3 Cancelled Jobs

As of commit 9ddcaf5 with merge base 366d87e ():

NEW FAILURES - The following jobs have failed:

• .github/workflows/cadence-build.yml (gh)
• docker-builds / docker-build (executorch-ubuntu-22.04-cadence-sdk) (gh)
  name unknown: The repository with name 'executorch/executorch-ubuntu-22.04-cadence-sdk' does not exist in the registry

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

• pull / test-llava-runner-linux / linux-job (gh)
  ##[error]The operation was canceled.
• trunk / test-demo-backend-delegation (buck2) / linux-job (gh)
  ##[error]The operation was canceled.
• trunk / test-demo-backend-delegation (cmake) / linux-job (gh)
  ##[error]The operation was canceled.

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