Add trove RPC encryption  keys
Add trove RPC encryption  keys

Updated the user secrets file to include the Trove RPC
encryption keys.

Change-Id: If7129bc5d9e6f3b9b5861e69df63bb5f8b65d047

os-cloud/os-ansible-deployment,os-cloud/os-ansible-deployment,yanyao/openstack-ansible,stackforge/os-ansible-deployment,robb-romans/openstack-ansible,bunchc/openstack-ansible,robb-romans/openstack-ansible,BjoernT/os-ansible-deployment,BjoernT/os-ansible-deployment,openstack/openstack-ansible,cloudnull/os-ansible-deployment,BjoernT/openstack-ansible,stackforge/os-ansible-deployment,openstack/openstack-ansible,bunchc/openstack-ansible,BjoernT/openstack-ansible,BjoernT/os-ansible-deployment,cfarquhar/openstack-ansible,yanyao/openstack-ansible,cloudnull/os-ansible-deployment,cfarquhar/openstack-ansible