Update Aether yaml files: change s1u nets and add sercomm enb configs

Change-Id: I468803a89b24f76947bd6cf5dd605a66c3a0e884
diff --git a/deployment-configs/aether/apps/staging-accelleran-cu-cbrs-common.yaml b/deployment-configs/aether/apps/staging-accelleran-cu-cbrs-common.yaml
index 49c6ad8..ba09fe9 100644
--- a/deployment-configs/aether/apps/staging-accelleran-cu-cbrs-common.yaml
+++ b/deployment-configs/aether/apps/staging-accelleran-cu-cbrs-common.yaml
@@ -1,3 +1,3 @@
 config:
   nats:
-    ip: "119.0.0.42"
+    ip: "192.168.251.42"