ARM: mach-mx5: Add watchdog support for MX53 based boards

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c
index fa0fad8..8a8694c 100644
--- a/arch/arm/mach-mx5/board-mx53_smd.c
+++ b/arch/arm/mach-mx5/board-mx53_smd.c
@@ -90,6 +90,7 @@
 	mx53_smd_init_uart();
 	mx53_smd_fec_reset();
 	imx53_add_fec(&mx53_smd_fec_data);
+	imx53_add_imx2_wdt(0, NULL);
 }
 
 static void __init mx53_smd_timer_init(void)