dt-bindings: i3c: cdns: Use correct cells for I2C device

I2C device reg should be "reg = <0x52 0x0 0x10>;"

Fixes: e29d0d9c ("dt-bindings: i3c: Document Cadence I3C master bindings")
Signed-off-by: Qii Wang <qii.wang@mediatek.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>

Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt

@@ -38,6 +38,6 @@ Example:
 
 		nunchuk: nunchuk@52 {
 			compatible = "nintendo,nunchuk";
-			reg = <0x52 0x80000010 0>;
+			reg = <0x52 0x0 0x10>;
 		};
 	};