ARM: at91/dt: add sam9 watchdog default options to SoCs

Set default watchdog options in every SoC compatible with the sam9 watchdog.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

arch/arm/boot/dts/at91sam9260.dtsi

@@ -648,6 +648,11 @@
 			watchdog@fffffd40 {
 				compatible = "atmel,at91sam9260-wdt";
 				reg = <0xfffffd40 0x10>;
+				interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
+				atmel,watchdog-type = "hardware";
+				atmel,reset-type = "all";
+				atmel,dbg-halt;
+				atmel,idle-halt;
 				status = "disabled";
 			};
 		};