arm64: a37xx: dts: enable pcie port

This patch enabled PCIe port on both devel-board
and espressobin board.

Cc: Simon Glass <sjg@chromium.org>
Cc: Stefan Roese <sr@denx.de>
Signed-off-by: Wilson Ding <dingwei@marvell.com>
Signed-off-by: Ken Ma <make@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>

arch/arm/dts/armada-3720-db.dts

@@ -154,3 +154,11 @@
 &usb3 {
 	status = "okay";
 };
+
+/* CON17 */
+&pcie0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie_pins>;
+	reset-gpio = <&gpiosb 3 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+};

arch/arm/dts/armada-3720-espressobin.dts

@@ -141,3 +141,10 @@
 &usb3 {
 	status = "okay";
 };
+
+&pcie0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie_pins>;
+	reset-gpio = <&gpiosb 3 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+};

arch/arm/dts/armada-37xx.dtsi

@@ -294,5 +294,21 @@
 				max-lanes = <2>;
 			};
 		};
+
+		pcie0: pcie@d0070000 {
+			compatible = "marvell,armada-37xx-pcie";
+			reg = <0 0xd0070000 0 0x20000>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			device_type = "pci";
+			num-lanes = <1>;
+			status = "disabled";
+
+			bus-range = <0 0xff>;
+			ranges = <0x82000000 0 0xe8000000
+				 0 0xe8000000 0 0x1000000 /* Port 0 MEM */
+				 0x81000000 0 0xe9000000
+				 0 0xe9000000 0 0x10000>; /* Port 0 IO*/
+		};
 	};
 };