landkreis_wittmund_sued.conf: add ipv4-prefix, domain-seed and mesh-id

Signed-off-by: Jan-Tarek Butt <tarek@ring0.de>

domains/landkreis_wittmund_sued.conf

 {
 	domain_names = { landkreis_wittmund_sued = 'Landkreis Wittmund Süd' },
-	domain_seed = '',
+	domain_seed = '52accd25f47be76464c0ff87b2ff8a6ba8e5dec3e744757764d177bff494b873',
 
 	prefix6 = '',
 	extra_prefixes6 = { 'fd74:fdaa:9dc4::/64' },
-	prefix4 = '',
+	prefix4 = '10.72.40.0/21',
 
 	wifi24 = {
 		ap = {
@@ -13,7 +13,7 @@
 			owe_transition_mode = true,
 		},
 		mesh = {
-			id = 't-ffnw-mesh_',
+			id = 't-ffnw-mesh_02:00:0a:48:28:00',
 		},
 	},
 	wifi5 = {
@@ -23,7 +23,7 @@
 			owe_transition_mode = true,
 		},
 		mesh = {
-			id = 't-ffnw-mesh_',
+			id = 't-ffnw-mesh_02:00:0a:48:28:00',
 		},
 	},