redis-yml: render yml file on util and solo instances

    Description of your patch
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Render redis.yml on util and solo instances

    Recommended Release Notes
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Adds util and solo instances to the the list of instances where a redis.yml file is rendered

    Estimated risk
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Low

    Components involved
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Redis

    Description of testing done
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Booted up an environment with a solo environment, added util instance called 'redis', verified that the redis.yml file was rendered on the solo instance.

    QA Instructions
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Boot up an environment with a solo environment, add util instance called 'redis', verify that the redis.yml file was rendered on the solo instance.