netlink: specs: add ovs_vport new command

Add NEW to the spec, it was useful testing the fix for OvS
input validation.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20230814205627.2914583-3-kuba@kernel.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>

Documentation/netlink/specs/ovs_vport.yaml

@@ -81,6 +81,10 @@ attribute-sets:
     name-prefix: ovs-vport-attr-
     enum-name: ovs-vport-attr
     attributes:
+      -
+        name: unspec
+        type: unused
+        value: 0
       -
         name: port-no
         type: u32
@@ -120,6 +124,20 @@ attribute-sets:
 operations:
   name-prefix: ovs-vport-cmd-
   list:
+    -
+      name: new
+      doc: Create a new OVS vport
+      attribute-set: vport
+      fixed-header: ovs-header
+      do:
+        request:
+          attributes:
+            - name
+            - type
+            - upcall-pid
+            - dp-ifindex
+            - ifindex
+            - options
     -
       name: get
       doc: Get / dump OVS vport configuration and state