media: dt-bindings: media: xilinx: fix typo in example

Fix typo s/:/;/

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Hyun Kwon <hyun.kwon@xilinx.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

Documentation/devicetree/bindings/media/xilinx/xlnx,v-tpg.txt

@@ -66,6 +66,6 @@ Example:
 				tpg1_out: endpoint {
 					remote-endpoint = <&switch_in0>;
 				};
-			}:
+			};
 		};
 	};