ci: cram: 011-firewall-dmz: Set DestIP at creation

The DestIP in a DMZ instance should be unique. So we need to set it at creation
This change was introduced in bca8d40: ("Firewall/NAT: make datamodel tr181 v2.17 compliant", 2025-01-08)

Signed-off-by: Toon Caeyers <toon.caeyers_ext@softathome.com>

.gitlab/tests/cram/generic/acceleration-plan-components/011-firewall-dmz.t

@@ -5,8 +5,7 @@ Create R alias:
 Add DMZ host:
 
   $ printf "\
-  > ubus-cli Firewall.DMZ+{Alias='test'}
-  > ubus-cli Firewall.DMZ.test.DestIP=192.168.1.186
+  > ubus-cli Firewall.DMZ+{Alias='test', DestIP='192.168.1.186'}
   > ubus-cli Firewall.DMZ.test.Enable=1
   > ubus-cli Firewall.DMZ.test.Interface="Device.Logical.Interface.1."
   > " > /tmp/cram