Docs update: Frequency Plans - Ecuador

[ticlatam]

Summary

1. Add LoRa Alliance Frequency Parameters link
2. Update Ecuador's frequency plan. ...

Why do we need this ?

Wrong data may cause several issues. ...

What is already there? What do you see now?

US902-928 ...

What is missing? What do you want to see?

AU915-928 ...

How do you propose to document this?

Edit table. ...

Can you do this yourself and submit a Pull Request?

Yes. ...