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>

diff --cc arch/arm/boot/dts/at91sam9260.dtsi
Simple merge

diff --cc arch/arm/boot/dts/at91sam9263.dtsi
Simple merge

diff --cc arch/arm/boot/dts/at91sam9g45.dtsi
Simple merge

diff --cc arch/arm/boot/dts/at91sam9n12.dtsi
Simple merge

diff --cc arch/arm/boot/dts/at91sam9x5.dtsi
Simple merge

diff --cc arch/arm/boot/dts/sama5d3.dtsi
Simple merge