Add vSphere infra requirements to prep doc

Author: codyhoag

installing/installing_vmc/preparing-to-install-on-vmc.adoc

@@ -54,6 +54,8 @@ User-provisioned infrastructure requires the user to provision all resources req
 
 * **xref:../../installing/installing_vmc/installing-restricted-networks-vmc-user-infra.adoc#installing-restricted-networks-vmc-user-infra[Installing a cluster on VMC in a restricted network with user-provisioned infrastructure]**: {product-title} can be installed on VMC infrastructure that you provision in a restricted network.
 
+include::modules/installation-vsphere-infrastructure.adoc[leveloffset=+1]
+
 [id="method-to-uninstall-ocp-on-vmc"]
 == Uninstalling an installer-provisioned infrastructure installation of {product-title} on VMC
 

installing/installing_vsphere/preparing-to-install-on-vsphere.adoc

@@ -53,6 +53,8 @@ User-provisioned infrastructure requires the user to provision all resources req
 
 * **xref:../../installing/installing_vsphere/installing-restricted-networks-vsphere.adoc#installing-restricted-networks-vsphere[Installing a cluster on vSphere in a restricted network with user-provisioned infrastructure]**: {product-title} can be installed on VMware vSphere infrastructure that you provision in a restricted network.
 
+include::modules/installation-vsphere-infrastructure.adoc[leveloffset=+1]
+
 == Uninstalling an installer-provisioned infrastructure installation of {product-title} on vSphere
 
 * **xref:../../installing/installing_vsphere/uninstalling-cluster-vsphere-installer-provisioned.adoc#uninstalling-cluster-vsphere-installer-provisioned[Uninstalling a cluster on vSphere that uses installer-provisioned infrastructure]**: You can remove a cluster that you deployed on VMware vSphere infrastructure that used installer-provisioned infrastructure.

modules/installation-vsphere-infrastructure.adoc

@@ -7,13 +7,15 @@
 // * installing/installing_vsphere/installing-vsphere-installer-provisioned-customizations.adoc
 // * installing/installing_vsphere/installing-vsphere-installer-provisioned-network-customizations.adoc
 // * installing/installing_vsphere/installing-restricted-networks-installer-provisioned-vsphere.adoc
+// * installing/installing_vsphere/preparing-to-install-on-vsphere.adoc
 // * installing/installing_vmc/installing-restricted-networks-vmc.adoc
 // * installing/installing_vmc/installing-restricted-networks-vmc-user-infra.adoc
 // * installing/installing_vmc/installing-vmc-user-infra.adoc
 // * installing/installing_vmc/installing-vmc-network-customizations-user-infra.adoc
 // * installing/installing_vmc/installing-vmc.adoc
 // * installing/installing_vmc/installing-vmc-customizations.adoc
 // * installing/installing_vmc/installing-vmc-network-customizations.adoc
+// * installing/installing_vmc/preparing-to-install-on-vmc.adoc
 
 ifeval::["{context}" == "installing-restricted-networks-vmc"]
 :vmc:
@@ -36,6 +38,9 @@ endif::[]
 ifeval::["{context}" == "installing-vmc-network-customizations"]
 :vmc:
 endif::[]
+ifeval::["{context}" == "preparing-to-install-on-vmc"]
+:vmc:
+endif::[]
 
 [id="installation-vsphere-infrastructure_{context}"]
 = VMware vSphere infrastructure requirements
@@ -105,3 +110,6 @@ endif::[]
 ifeval::["{context}" == "installing-vmc-network-customizations"]
 :!vmc:
 endif::[]
+ifeval::["{context}" == "preparing-to-install-on-vmc"]
+:!vmc:
+endif::[]