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>
diff --git a/arch/arm/dts/armada-3720-db.dts b/arch/arm/dts/armada-3720-db.dts
index 52fc134..770c08a 100644
--- a/arch/arm/dts/armada-3720-db.dts
+++ b/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";
+};