dt-bindings: media: Fix more graph 'unevaluatedProperties' related warnings

The graph schema doesn't allow custom properties on endpoint nodes for
'#/properties/port' and '#/$defs/port-base' should be used instead. This
doesn't matter until 'unevaluatedProperties' support is implemented.

Cc: Dave Stevenson <[email protected]>
Cc: Jacopo Mondi <[email protected]>
Cc: Mauro Carvalho Chehab <[email protected]>
Cc: "Paul J. Murphy" <[email protected]>
Cc: Daniele Alessandrelli <[email protected]>
Cc: [email protected]
Signed-off-by: Rob Herring <[email protected]>
Reviewed-by: Daniele Alessandrelli <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: robherring

Documentation/devicetree/bindings/media/i2c/ovti,ov5647.yaml

@@ -31,7 +31,7 @@ properties:
     maxItems: 1
 
   port:
-    $ref: /schemas/graph.yaml#/properties/port
+    $ref: /schemas/graph.yaml#/$defs/port-base
     additionalProperties: false
 
     properties:

Documentation/devicetree/bindings/media/i2c/ovti,ov9282.yaml

@@ -38,7 +38,7 @@ properties:
 
   port:
     additionalProperties: false
-    $ref: /schemas/graph.yaml#/properties/port
+    $ref: /schemas/graph.yaml#/$defs/port-base
 
     properties:
       endpoint:

Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml

@@ -38,7 +38,7 @@ properties:
 
   port:
     additionalProperties: false
-    $ref: /schemas/graph.yaml#/properties/port
+    $ref: /schemas/graph.yaml#/$defs/port-base
 
     properties:
       endpoint:

Documentation/devicetree/bindings/media/i2c/sony,imx412.yaml

@@ -38,7 +38,7 @@ properties:
 
   port:
     additionalProperties: false
-    $ref: /schemas/graph.yaml#/properties/port
+    $ref: /schemas/graph.yaml#/$defs/port-base
 
     properties:
       endpoint: