Add 'configDrive: true' to SR-IOV ShiftStack CR YAMLs

Address OCPBUGS-43891

modules/machineset-yaml-osp-sr-iov-port-security.adoc

@@ -82,10 +82,12 @@ spec:
           trunk: false
           userDataSecret:
             name: worker-user-data
+          configDrive: true <4>
 ----
 <1> Specify allowed address pairs for the API and ingress ports.
 <2> Specify the machines network and subnet.
 <3> Specify the compute machines security group.
+<4> The value of the `configDrive` parameter must be `true`.
 
 [NOTE]
 ====
@@ -94,4 +96,4 @@ Trunking is enabled for ports that are created by entries in the networks and su
 You can enable trunking for each port.
 
 Optionally, you can add tags to ports as part of their `tags` lists.
-====
+====

modules/machineset-yaml-osp-sr-iov.adoc

@@ -91,6 +91,7 @@ spec:
           userDataSecret:
             name: <node_role>-user-data
           availabilityZone: <optional_openstack_availability_zone>
+          configDrive: true <5> 
 ----
 <1> Enter a network UUID for each port.
 <2> Enter a subnet UUID for each port.
@@ -98,6 +99,7 @@ spec:
 <4> The value of the `portSecurity` parameter must be `false` for each port.
 +
 You cannot set security groups and allowed address pairs for ports when port security is disabled. Setting security groups on the instance applies the groups to all ports that are attached to it.
+<5> The value of the `configDrive` parameter must be `true`.
 
 [IMPORTANT]
 ====