ARM: at91: dt: add dts files for sama5d3xek board

Add the device tree files for sama5d3xek board.

The dts files are copied from Linux-4.9, do the changes as below.
 - add reg property for the pinctrl node.
 - move the gpio nodes (pioA, pioB, pioC ...) as the pinctrl's
   slibling nodes.
 - add the "u-boot,dm-pre-reloc" property to determine which nodes
   which are needed by SPL and by the board_init_f stage.
 - fix the compile warning.
 - add spi0 node aliases.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
diff --git a/arch/arm/dts/sama5d3xdm.dtsi b/arch/arm/dts/sama5d3xdm.dtsi
new file mode 100644
index 0000000..035ab72
--- /dev/null
+++ b/arch/arm/dts/sama5d3xdm.dtsi
@@ -0,0 +1,41 @@
+/*
+ * sama5d3dm.dtsi - Device Tree file for SAMA5 display module
+ *
+ *  Copyright (C) 2013 Atmel,
+ *                2013 Ludovic Desroches <ludovic.desroches@atmel.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+/ {
+	ahb {
+		apb {
+			i2c1: i2c@f0018000 {
+				qt1070: keyboard@1b {
+					compatible = "qt1070";
+					reg = <0x1b>;
+					interrupt-parent = <&pioE>;
+					interrupts = <31 0x0>;
+					pinctrl-names = "default";
+					pinctrl-0 = <&pinctrl_qt1070_irq>;
+					wakeup-source;
+				};
+			};
+
+			adc0: adc@f8018000 {
+				atmel,adc-ts-wires = <4>;
+				atmel,adc-ts-pressure-threshold = <10000>;
+				status = "okay";
+			};
+
+			pinctrl@fffff200 {
+				board {
+					pinctrl_qt1070_irq: qt1070_irq {
+						atmel,pins =
+							<AT91_PIOE 31 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PE31 GPIO with pull up deglith */
+					};
+				};
+			};
+		};
+	};
+};