Add release-1.6 config, update release-1.5

Change-Id: I1d309b466cf42f65a4ca928e2003e1b0a3347404
diff --git a/configs/release-1.6 b/configs/release-1.6
new file mode 100644
index 0000000..b82637e
--- /dev/null
+++ b/configs/release-1.6
@@ -0,0 +1,15 @@
+# Copyright 2021-present Open Networking Foundation
+#
+# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+
+OMEC_CONTROL_PLANE_CHART := aether/omec-control-plane --version 0.9.3
+OMEC_USER_PLANE_CHART    := aether/omec-user-plane --version 0.5.0
+OMEC_SUB_PROVISION_CHART := aether/omec-sub-provision --version 0.3.0
+5GC_CONTROL_PLANE_CHART  := aether/5g-control-plane --version 0.5.2
+5G_RAN_SIM_CHART         := aether/5g-ran-sim --version 0.3.0
+
+# For installing the ROC
+AETHER_ROC_UMBRELLA_CHART := aether/aether-roc-umbrella --version 1.4.42
+ATOMIX_CONTROLLER_CHART   := atomix/atomix-controller --version 0.6.8
+ATOMIX_RAFT_STORAGE_CHART := atomix/atomix-raft-storage --version 0.1.15
+ONOS_OPERATOR_CHART       := onosproject/onos-operator --version 0.4.14