isa riscv - add another external repo
# CentOS Infra issue/request
## Issue Type
* [] Issue - problem with something that was working
* [x] Feature Request - something you'd like us to add/modify/change
* [] Task - mostly used by CentOS Infra team for day-to-day operations or bigger plans
## Description
There is a package circular dependency in CS10 that cannot be broken without an external repo added.
Please add the following repo at the top of the isa riscv inheritance.
https://people.redhat.com/abologna/ipa-bootstrap/
This will allow us to build the missing ipa packages. We will then open another issue to remove the external repo.
issue