arm: ls1012a: add PCIe dts node

Signed-off-by: Minghuan Lian <Minghuan.Lian@nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

arch/arm/dts/fsl-ls1012a.dtsi

@@ -103,5 +103,20 @@
 			status = "disabled";
 		};
 
+		pcie@3400000 {
+			compatible = "fsl,ls-pcie", "snps,dw-pcie";
+			reg = <0x00 0x03400000 0x0 0x80000   /* dbi registers */
+			       0x00 0x03480000 0x0 0x40000   /* lut registers */
+			       0x00 0x034c0000 0x0 0x40000   /* pf controls registers */
+			       0x40 0x00000000 0x0 0x20000>; /* configuration space */
+			reg-names = "dbi", "lut", "ctrl", "config";
+			big-endian;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			device_type = "pci";
+			bus-range = <0x0 0xff>;
+			ranges = <0x81000000 0x0 0x00000000 0x40 0x00020000 0x0 0x00010000   /* downstream I/O */
+				  0x82000000 0x0 0x40000000 0x40 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */
+		};
 	};
 };