arm64: dts: imx8mm-venice-gw7901: Remove unnecessary #address-cells/#size-cells

The following dtc build warning is seen with W=1:

arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts:291.14-397.4: Warning (avoid_unnecessary_addr_size): /soc@0/bus@30800000/i2c@30a20000/gsc@20: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property

Remove the unnecessary #address-cells/#size-cells to fix it.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-By: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts

@@ -296,8 +296,6 @@ gsc: gsc@20 {
 		interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
 		interrupt-controller;
 		#interrupt-cells = <1>;
-		#address-cells = <1>;
-		#size-cells = <0>;
 
 		adc {
 			compatible = "gw,gsc-adc";