OCPBUGS-22813 bootstrapExternalStaticDNS parameter added in 4.14 is missing in the docs

Author: kquinn1204

modules/ipi-install-additional-install-config-parameters.adoc

@@ -24,6 +24,10 @@ and the `bmc` parameter for the `install-config.yaml` file.
 | `UEFI`
 | The boot mode for a node. Options are `legacy`, `UEFI`, and `UEFISecureBoot`. If `bootMode` is not set, Ironic sets it while inspecting the node.
 
+| `bootstrapExternalStaticDNS`
+|
+| The static network DNS of the bootstrap node. This can be useful in environments without a DHCP server.
+
 | `bootstrapExternalStaticIP`
 |
 | The static IP address for the bootstrap VM. You must set this value when deploying a cluster with static IP addresses when there is no DHCP server on the bare-metal network.