ARM: dts: meson8: remove gpio offset

Remove pin offset on the AO controller. meson pinctrl no longer has
this quirk

Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

arch/arm/boot/dts/meson8.dtsi

@@ -132,7 +132,7 @@
 			reg-names = "mux", "pull", "gpio";
 			gpio-controller;
 			#gpio-cells = <2>;
-			gpio-ranges = <&pinctrl_aobus 0 120 16>;
+			gpio-ranges = <&pinctrl_aobus 0 0 16>;
 		};
 
 		uart_ao_a_pins: uart_ao_a {