ARM: mach-qong: Add watchdog support

Add watchdog support for mach-qong target.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Tested-by : Stefano Babic <sbabic@denx.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 0253e66..e3ad2c4 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -486,6 +486,7 @@
 	bool "Support Dave/DENX QongEVB-LITE platform"
 	select SOC_IMX31
 	select IMX_HAVE_PLATFORM_IMX_UART
+	select IMX_HAVE_PLATFORM_IMX2_WDT
 	help
 	  Include support for Dave/DENX QongEVB-LITE platform. This includes
 	  specific configurations for the board and its peripherals.