Aviat WTM reduce snmp load (#13918)

* Reduce default modules on Aviat WTM to reduce overload
SNMP daemon on these devices can fail easily.  Try to reduce snmp load as much as possible even if it is minor.
It seems they fixed the overload bug (at least some) in 2.11

* update schema

includes/definitions/aviat-wtm.yaml

@@ -17,3 +17,25 @@ discovery:
             - .1.3.6.1.4.1.2509.11.1.1.13
             - .1.3.6.1.4.1.2509.11.1.1.14
             - .1.3.6.1.4.1.2509.11.1.1.15
+discovery_modules:
+    ucd-dsktable: false
+    ucd-diskio: false
+    arp-table: false
+    fdb-table: false
+    vlans: false
+    stp: false
+    processors: false
+    mempools: false
+    storage: false
+    ipv4-addresses: false
+    ipv6-addresses: false
+    ports-stack: false
+    hr-device: false
+    bgp-peers: false
+poller_modules:
+    netstats: false
+    route: false
+    hr-mib: false
+    ucd-mib: false
+    ospf: false
+    ipSystemStats: false

misc/os_schema.json

@@ -147,6 +147,9 @@
                 "services": {
                     "type": "boolean"
                 },
+                "route": {
+                    "type": "boolean"
+                },
                 "stp": {
                     "type": "boolean"
                 },
@@ -276,6 +279,9 @@
                 "ucd-diskio": {
                     "type": "boolean"
                 },
+                "ucd-dsktable": {
+                    "type": "boolean"
+                },
                 "services": {
                     "type": "boolean"
                 },