arm: mvebu: enable mini-PCIe connectors on Armada 370 RD

The Armada 370 RD board has two internal mini-PCIe connectors. This
commit adds the necessary Device Tree informations to enable the usage
of those mini-PCIe connectors.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/boot/dts/armada-370-rd.dts

@@ -85,6 +85,22 @@ button@1 {
 					gpios = <&gpio0 6 1>;
 				};
 			};
+
+			pcie-controller {
+				status = "okay";
+
+				/* Internal mini-PCIe connector */
+				pcie@1,0 {
+					/* Port 0, Lane 0 */
+					status = "okay";
+				};
+
+				/* Internal mini-PCIe connector */
+				pcie@2,0 {
+					/* Port 1, Lane 0 */
+					status = "okay";
+				};
+			};
 		};
 	};
  };