arm64: dts: ls1028a-qds: Remove unnecessary #address-cells/#size-cells

The following build warning is seen with W=1:

arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts:196.10-208.4: Warning (avoid_unnecessary_addr_size): /soc/i2c@2000000/fpga@66: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property

Fix it by removing the unnecessary #address-cells/#size-cells.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts

@@ -194,8 +194,6 @@ sgtl5000: audio-codec@a {
 	};
 
 	fpga@66 {
-		#address-cells = <1>;
-		#size-cells = <0>;
 		compatible = "fsl,ls1028aqds-fpga", "fsl,fpga-qixis-i2c",
 			     "simple-mfd";
 		reg = <0x66>;