Update echo-speaks.groovy

[imnotbob]

silence error, new devices

Checklist:

• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Description of Changes

Reason for Change

How Has This Been Tested?

Screenshots (if appropriate):