dts: soc: nxp lpc55xxx: Add SWO support

[hengrun]

Add ARMv8 ITM to lpc55S2x common device tree and set the clock config when using SWO as a logging backend.

[github-actions]

Hello @hengrun, and thank you very much for your first pull request to the Zephyr project!
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[dleach02]

@hengrun Thank you for your contribution. You have a compliance issue that needs to be resolved. All the commit messages need to have header and body with signoff.

[dleach02]

@hengrun we can not move forward on this PR until you address the compliance issue. And please address the merge conflict

https://docs.zephyrproject.org/latest/contribute/guidelines.html#pull-request-guidelines

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[dleach02]

Your commit 5492b0b with title "Merge branch 'main' into add-swo-lpc55" is the problem. Amend the commit to fix the title and description to align with Zephyr guidelines: https://docs.zephyrproject.org/latest/contribute/guidelines.html#commit-message-guidelines