ARM: sun5i: a13: Remove useless simple-bus reg property

The reg property of the simple-bus driver is completely useless. Remove
it from the DTSI.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun5i-a13.dtsi

@@ -154,7 +154,6 @@ soc@01c20000 {
 		compatible = "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
-		reg = <0x01c20000 0x300000>;
 		ranges;
 
 		intc: interrupt-controller@01c20400 {