[doc] 6.8.1.2 Deploy ingress controller from helm chart

[dannysauer]

6.8.1.2 Deploy ingress controller from helm chart:

https://documentation.suse.com/suse-caasp/4.5/html/caasp-admin/_security.html#_deploy_ingress_controller_from_helm_chart

If the config from the previous section is used - which sets replica count to 3 - then there should be four pods running; not two. There should be 3 ingress controller pods, and one default backend.