From Nicolas Ferre:
More DT material for AT91:
- conversion of watchdog to DT
- usart definition for evk-pro3 board
* tag 'at91-for-next-dt' of git://github.com/at91linux/linux-at91:
ARM: at91/dts: evk-pro3: enable watchdog
ARM: at91/dts: add at91sam9_wdt driver to at91sam926x, at91sam9g45
watchdog: at91sam9_wdt: add device tree support
ARM: at91: dt: evk-pro3: enable uart0 and uart2