ARM: mach-qong: Add watchdog support

Add watchdog support for mach-qong target.
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Tested-by : Stefano Babic <sbabic@denx.de>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>

arch/arm/mach-imx/Kconfig

@@ -486,6 +486,7 @@ config MACH_QONG
 	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.

arch/arm/mach-imx/mach-qong.c

@@ -249,6 +249,7 @@ static void __init qong_init(void)
 	mxc_init_imx_uart();
 	qong_init_nor_mtd();
 	qong_init_fpga();
+	imx31_add_imx2_wdt(NULL);
 }
 
 static void __init qong_timer_init(void)