ARM: dts: at91: Add dts files for at91sam9x5ek

The device tree source files of at91sam9x5ek board are copied from
the Linux v4.10, do the changes below.
 - Add the reg property for the pinctrl node.
 - Move the gpio (pioA, pioB, pioC ...) nodes as the pinctrl's
   slibling nodes, instead of the child nodes.
 - Add the "u-boot,dm-pre-reloc" property to determine which nodes
   are used by the board_init_f stage.
 - Change the compatible of the spi flash to "spi-flash".
 - Add the spi0 aliases.
 - Fix the compilation warnings.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/dts/at91sam9x35ek.dts b/arch/arm/dts/at91sam9x35ek.dts
new file mode 100644
index 0000000..3ca70c0
--- /dev/null
+++ b/arch/arm/dts/at91sam9x35ek.dts
@@ -0,0 +1,30 @@
+/*
+ * at91sam9x35ek.dts - Device Tree file for AT91SAM9X35-EK board
+ *
+ *  Copyright (C) 2012 Atmel,
+ *                2012 Nicolas Ferre <nicolas.ferre@atmel.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+/dts-v1/;
+#include "at91sam9x35.dtsi"
+#include "at91sam9x5dm.dtsi"
+#include "at91sam9x5ek.dtsi"
+
+/ {
+	model = "Atmel AT91SAM9X35-EK";
+	compatible = "atmel,at91sam9x35ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
+
+	ahb {
+		apb {
+			macb0: ethernet@f802c000 {
+				phy-mode = "rmii";
+				status = "okay";
+			};
+			hlcdc: hlcdc@f8038000 {
+				u-boot,dm-pre-reloc;
+				status = "okay";
+			};
+		};
+	};
+};