Description of problem:
Documentation does not mention that "crudini" package is required to be be installed on the overcloud node if overcloud node registration will be performed when doing split stack deployment.
Version-Release number of selected component (if applicable):
How reproducible: 100%
Steps to Reproduce:
1. Do splistack deployment
2. Include yaml that will register overcloud nodes with CDN/SAT
Actual results: Deployment fails due to missing crudini package
Expected results: Deployment pass, but for that docs needs to include crudini package installation prior to deployment.
OSP11 is now retired, see details at https://access.redhat.com/errata/product/191/ver=11/rhel---7/x86_64/RHBA-2018:1828