ARM: dts: cygnus: Fix incorrect UART2 register base

Fix incorrect Cygnus UART2 register base.

Fixes: 0f0b21a8 ("ARM: dts: Move all Cygnus peripherals into axi bus")
Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm/boot/dts/bcm-cygnus.dtsi

@@ -324,7 +324,7 @@ uart1: serial@18021000 {
 
 		uart2: serial@18022000 {
 			compatible = "snps,dw-apb-uart";
-			reg = <0x18020000 0x100>;
+			reg = <0x18022000 0x100>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
 			interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;