create topology doc: fix controller install links

[defo89]

[google-cla[bot]]

Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

[marcushines]

/gcbrun

[coveralls]

Pull Request Test Coverage Report for Build 3343629189

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 57.897%

---

Totals
Change from base Build 3340375078:	0.0%
Covered Lines:	2313
Relevant Lines:	3995

---

💛 - Coveralls

[alexmasi]

/gcbrun