Add DPU tables to vs database_config.json (#22162)

Add DPU tables to vs database_config.json

Author: prabhataravind

platform/vs/docker-sonic-vs/database_config.json

@@ -77,6 +77,16 @@
             "id" : 14,
             "separator": ":",
             "instance" : "redis"
+        },
+        "DPU_APPL_DB" : {
+            "id" : 15,
+            "separator": ":",
+            "instance" : "redis"
+        },
+        "DPU_APPL_STATE_DB" : {
+            "id" : 16,
+            "separator": "|",
+            "instance" : "redis"
         }
     },
     "VERSION" : "1.0"