ARM: at91/defconfig: enable SAM9X60_WATCHDOG

Enable the SAM9X60 WDT.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>

Author: ehristev

arch/arm/configs/at91_dt_defconfig

@@ -158,6 +158,7 @@ CONFIG_POWER_SUPPLY=y
 # CONFIG_HWMON is not set
 CONFIG_WATCHDOG=y
 CONFIG_AT91SAM9X_WATCHDOG=y
+CONFIG_SAM9X60_WATCHDOG=y
 CONFIG_MFD_ATMEL_FLEXCOM=y
 CONFIG_MFD_ATMEL_HLCDC=y
 CONFIG_REGULATOR=y