feat(config): add AddDevices function

[BlackHole1]

In most cases, there might be more than one device. Adding the AddDevices method helps reduce the amount of code.

[openshift-ci]

Hi @BlackHole1. Thanks for your PR.

I'm waiting for a crc-org member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[cfergeau]

/ok-to-test
/lgtm
/approve
/hold

(holding so that the tests run before we merge it)

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cfergeau

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[cfergeau]

/unhold