arm: mvebu: PCIe Device Tree informations for Armada 370 Mirabox

The Globalscale Mirabox platform uses one PCIe interface for an
available mini-PCIe slot, and the other PCIe interface for an internal
USB 3.0 controller. We add the necessary Device Tree informations to
enable those two interfaces.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

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

@@ -118,5 +118,21 @@ pca9505: pca9505@25 {
 				reg = <0x25>;
 			};
 		};
+
+		pcie-controller {
+			status = "okay";
+
+			/* Internal mini-PCIe connector */
+			pcie@1,0 {
+				/* Port 0, Lane 0 */
+				status = "okay";
+			};
+
+			/* Connected on the PCB to a USB 3.0 XHCI controller */
+			pcie@2,0 {
+				/* Port 1, Lane 0 */
+				status = "okay";
+			};
+		};
 	};
 };