arm64: mvebu: gpio: Add GPIO nodes to A8K family devices

Add GPIO nodes to AP-806 and CP-110-master DTSI files.

Change-Id: I05958698d460cb721b7d8683d34f74a5ea32532c
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Nadav Haklai <nadavh@marvell.com>
Cc: Igal Liberman <igall@marvell.com>
Cc: Haim Boot <hayim@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/arch/arm/dts/armada-ap806.dtsi b/arch/arm/dts/armada-ap806.dtsi
index 3042cb1..e0d3016 100644
--- a/arch/arm/dts/armada-ap806.dtsi
+++ b/arch/arm/dts/armada-ap806.dtsi
@@ -158,6 +158,14 @@
 				};
 			};
 
+			ap_gpio0: gpio@6F5040 {
+				compatible = "marvell,orion-gpio";
+				reg = <0x6F5040 0x40>;
+				ngpios = <20>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+
 			xor@400000 {
 				compatible = "marvell,mv-xor-v2";
 				reg = <0x400000 0x1000>,