added system.linux.system.repo.mcp.salt where missing

Change-Id: Iec33efa97a7638437ddfe280ec3f2c69889e791f
diff --git a/classes/cluster/sl-k8s-contrail/infra/config.yml b/classes/cluster/sl-k8s-contrail/infra/config.yml
index 6e66f64..d1b447a 100644
--- a/classes/cluster/sl-k8s-contrail/infra/config.yml
+++ b/classes/cluster/sl-k8s-contrail/infra/config.yml
@@ -2,6 +2,8 @@
 - system.docker.client
 - system.docker.host
 - system.linux.system.repo.ubuntu
+- system.linux.system.repo.mcp.salt
+- system.linux.system.repo.docker
 - system.openssh.client.lab
 - system.salt.master.pkg
 - system.salt.minion.ca.salt_master