arm/mx25: add watchdog device

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Tested-by: Juergen Beisert <jbe@pengutronix.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h
index 39560e1..cee12c0 100644
--- a/arch/arm/mach-mx25/devices.h
+++ b/arch/arm/mach-mx25/devices.h
@@ -21,3 +21,4 @@
 extern struct platform_device mxc_nand_device;
 extern struct platform_device mx25_rtc_device;
 extern struct platform_device mx25_fb_device;
+extern struct platform_device mxc_wdt;