arm64: dts: Enable GPIO for Broadcom NS2 SoC

This enables the GPIO support for Broadcom NS2 SoC
Signed-off-by: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm64/boot/dts/broadcom/ns2.dtsi

@@ -258,6 +258,15 @@ pinctrl: pinctrl@6501d130 {
 			      <0x660009b0 0x40>;
 		};
 
+		gpio_aon: gpio@65024800 {
+			compatible = "brcm,iproc-gpio";
+			reg = <0x65024800 0x50>,
+			      <0x65024008 0x18>;
+			ngpios = <6>;
+			#gpio-cells = <2>;
+			gpio-controller;
+		};
+
 		gic: interrupt-controller@65210000 {
 			compatible = "arm,gic-400";
 			#interrupt-cells = <3>;
@@ -328,6 +337,16 @@ wdt0: watchdog@66090000 {
 			clock-names = "wdogclk", "apb_pclk";
 		};
 
+		gpio_g: gpio@660a0000 {
+			compatible = "brcm,iproc-gpio";
+			reg = <0x660a0000 0x50>;
+			ngpios = <32>;
+			#gpio-cells = <2>;
+			gpio-controller;
+			interrupt-controller;
+			interrupts = <GIC_SPI 400 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
 		i2c1: i2c@660b0000 {
 			compatible = "brcm,iproc-i2c";
 			reg = <0x660b0000 0x100>;