Update smartvision-admin.md

[flinchbot]

Clarified that USB 3 is required for the camera connection. You can validate this internally as it is a Microsoft requirement. Also mentioned at the bottom of this document:

https://support.microsoft.com/en-us/office/enhance-hybrid-meetings-with-microsoft-intelliframe-for-teams-rooms-97161377-b746-49dc-992f-97bbf0d590f7

Also, made it clear you connect to the compute module and not to something else, such as the console.

[learn-build-service-prod]

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