Enable service token in nova and cinder

This patch enables service token feature in nova and cinder, which
can be used to avoid problems in inter-component request caused by
token expiration for long running tasks.

Depends-on: https://review.opendev.org/#/c/666467/
Depends-on: https://review.opendev.org/#/c/666471/
Depends-on: https://review.opendev.org/#/c/666746/
Change-Id: Ia9cab3080a6e0ef7433fa0be19b98f8e63bae587

manifests/profile/base/cinder.pp

@@ -128,6 +128,7 @@ class tripleo::profile::base::cinder (
     include ::cinder::glance
     include ::cinder::nova
     include ::cinder::logging
+    include ::cinder::keystone::service_user
   }
 
   if $step >= 5 {

manifests/profile/base/nova.pp

@@ -148,5 +148,6 @@ class tripleo::profile::base::nova (
       }),
     }
     include ::nova::placement
+    include ::nova::keystone::service_user
   }
 }