Public bug reported:

[Impact]

xlnx-image-update is currently available in resolute but not properly delivered 
via the noble archive path we need.
For noble images, functionality is currently provided via Ubuntu Xilinx 
main/default image composition, which is not ideal for lifecycle management.

Publishing xlnx-image-update in noble archive enables supported package-
based delivery and remote upgrade of Xilinx boot firmware on deployed
devices.

[Test Plan]

1. Build the noble source package from ubuntu/noble-devel.
2. Install the package on TW lab Xilinx target device(s).
3. Verify command behavior with:
   - no arguments (expect usage/error output and non-zero exit)
   - invalid path argument (expect clean failure)
   - valid boot image path argument (expected update flow starts/completes)
4. Reboot and verify the expected image/boot result on target hardware.
5. Confirm no regressions in the normal boot/update workflow.

[Where problems could occur]

- Incorrect write/update to QSPI alternate image could affect next boot 
behavior.
- Mitigation:
  - Scope is limited to devices explicitly using this utility.
  - Package introduces no daemon/service.
  - Hardware validation performed in TW lab on target devices before release.

[Other Info]

- Development repo: 
https://code.launchpad.net/~limerick-team/ubuntu/+source/xlnx-image-update/+git/xlnx-image-update
- User MP (fork -> limerick-team): TBD
- Build logs/artifacts: TBD
- Test logs from TW lab: TBD
- Follow-up MP (limerick-team -> ubuntu archive): TBD

** Affects: xlnx-image-update (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2145545

Title:
  [SRU] [Noble] Backport xlnx-image-update to noble

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