OCPBUGS-16719: Replaced imageContentSources info with more generic info

Author: dfitzmau

modules/installation-installer-provisioned-vsphere-config-yaml.adoc

@@ -93,11 +93,11 @@ additionalTrustBundle: | <11>
   -----END CERTIFICATE-----
 imageContentSources: <12>
 - mirrors:
-  - <local_registry>/<local_repository_name>/release
-  source: quay.io/openshift-release-dev/ocp-release
+  - <mirror_host_name>:<mirror_port>/<repo_name>/release
+  source: <source_image_1>
 - mirrors:
-  - <local_registry>/<local_repository_name>/release
-  source: quay.io/openshift-release-dev/ocp-v4.0-art-dev
+  - <mirror_host_name>:<mirror_port>/<repo_name>/release-images
+  source: <source_image_2>
 endif::restricted[]
 ----
 <1> The base domain of the cluster. All DNS records must be sub-domains of this base and include the cluster name.

modules/installation-vsphere-config-yaml.adoc

@@ -97,11 +97,11 @@ additionalTrustBundle: | <17>
   -----END CERTIFICATE-----
 imageContentSources: <18>
 - mirrors:
-  - <local_registry>/<local_repository_name>/release
-  source: quay.io/openshift-release-dev/ocp-release
+  - <mirror_host_name>:<mirror_port>/<repo_name>/release
+  source: <source_image_1>
 - mirrors:
-  - <local_registry>/<local_repository_name>/release
-  source: quay.io/openshift-release-dev/ocp-v4.0-art-dev
+  - <mirror_host_name>:<mirror_port>/<repo_name>/release-images
+  source: <source_image_2>
 endif::openshift-origin[]
 ifdef::openshift-origin[]
 additionalTrustBundle: | <16>
@@ -110,11 +110,11 @@ additionalTrustBundle: | <16>
   -----END CERTIFICATE-----
 imageContentSources: <17>
 - mirrors:
-  - <local_registry>/<local_repository_name>/release
-  source: quay.io/openshift-release-dev/ocp-release
+  - <mirror_host_name>:<mirror_port>/<repo_name>/release
+  source: <source_image_1>
 - mirrors:
-  - <local_registry>/<local_repository_name>/release
-  source: quay.io/openshift-release-dev/ocp-v4.0-art-dev
+  - <mirror_host_name>:<mirror_port>/<repo_name>/release-images
+  source: <source_image_2>
 endif::openshift-origin[]
 endif::restricted[]
 ----