dt-bindings: net: ti,k3-am654-cpts: Fix assigned-clock-parents

The schema has a typo with 'assigned-clocks-parents'. As it is not
required to list assigned clocks in bindings, just drop the assigned-clocks
property definitions to fix this
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220120172319.1628500-1-robh@kernel.org

Documentation/devicetree/bindings/net/ti,k3-am654-cpts.yaml

@@ -103,12 +103,6 @@ properties:
       clocks:
         maxItems: 8
 
-      assigned-clocks:
-        maxItems: 1
-
-      assigned-clocks-parents:
-        maxItems: 1
-
     required:
       - clocks