HiSLIP login info for MP5103

[aclary100-bit]

Pull Request Checklist

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• [x ] Pulling against the master branch (left side).
• [x ] You have previously submitted a Contributor License Agreement or have contacted a maintainer to request one.

Type (Select only one)

• Bug fix
• [x ] Working example
• In-progress example (need Tektronix help)
• In-progress example (does not need Tektronix help)

Description

Describe your pull request here.

Simple Python example showing how to use login to connect to protected HiSLIP MP5103.

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[dwyban]

Looks good. Approved.