CASMCMS-8897 - changes for aarch64 remote build node.

[dlaine-hpe]

Summary and Scope

Add options to the build of the remote image to target the correct arch of the remote node.

Issues and Related PRs

• Resolves CASMCMS-8897

Testing

Tested on:

• Baldar

Test description:

Installed the new binary on the machine and set up a blanca peak node as the remote build node. This change was required to build the correct image to run on the remote build node.

• Were the install/upgrade-based validation checks/tests run (goss tests/install-validation doc)? N
• Were continuous integration tests run? If not, why? N
• Was upgrade tested? If not, why? N
• Was downgrade tested? If not, why? N
• Were new tests (or test issues/Jiras) created for this change? N

Risks and Mitigations

Minor risk compared to the entire project.

Pull Request Checklist

• Version number(s) incremented, if applicable
• Copyrights updated
• License file intact
• Target branch correct
• CHANGELOG.md updated
• Testing is appropriate and complete, if applicable