Increase ctl node memory to 12Gb

for cookied-mcp-ocata-dvr-vxlan, cid nodes memory was reduced to
fit the lab into 128Gb host

Change-Id: I644fd923402e80e8ff181cc24bdc977a07d24fae
diff --git a/tcp_tests/templates/virtual-mcp-pike-dvr-ceph-rgw/underlay.yaml b/tcp_tests/templates/virtual-mcp-pike-dvr-ceph-rgw/underlay.yaml
index c09233f..34b6c1a 100644
--- a/tcp_tests/templates/virtual-mcp-pike-dvr-ceph-rgw/underlay.yaml
+++ b/tcp_tests/templates/virtual-mcp-pike-dvr-ceph-rgw/underlay.yaml
@@ -229,7 +229,7 @@
             role: salt_minion
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 8192
+              memory: !os_env SLAVE_NODE_MEMORY, 12288
               boot:
                 - hd
               cloud_init_volume_name: iso
@@ -270,7 +270,7 @@
             role: salt_minion
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 8192
+              memory: !os_env SLAVE_NODE_MEMORY, 12288
               boot:
                 - hd
               cloud_init_volume_name: iso
@@ -299,7 +299,7 @@
             role: salt_minion
             params:
               vcpu: !os_env SLAVE_NODE_CPU, 2
-              memory: !os_env SLAVE_NODE_MEMORY, 8192
+              memory: !os_env SLAVE_NODE_MEMORY, 12288
               boot:
                 - hd
               cloud_init_volume_name: iso