Enable host-passthrough for virt control plane

PROD-36510

Change-Id: Iba943e4708c1c905e899671d0afcafc472565e75
diff --git a/salt/control/cluster/openstack_proxy_cluster.yml b/salt/control/cluster/openstack_proxy_cluster.yml
index 4027e00..63fa972 100644
--- a/salt/control/cluster/openstack_proxy_cluster.yml
+++ b/salt/control/cluster/openstack_proxy_cluster.yml
@@ -29,6 +29,7 @@
               backend: ${_param:openstack_proxy_backend_image}
               size: openstack.proxy
               cloud_init: ${_param:salt_control_cluster_node_cloud_init_openstack_proxy}
+              cpu_mode: ${_param:salt_control_cluster_qemu_cpu_model}
             prx02:
               name: ${_param:openstack_proxy_node02_hostname}
               provider: ${_param:infra_kvm_node02_hostname}.${_param:cluster_domain}
@@ -36,3 +37,4 @@
               backend: ${_param:openstack_proxy_backend_image}
               size: openstack.proxy
               cloud_init: ${_param:salt_control_cluster_node_cloud_init_openstack_proxy}
+              cpu_mode: ${_param:salt_control_cluster_qemu_cpu_model}