watchdog: Add support for Freescale Layerscape platforms

Modify watchdog/Kconfig file to support Layerscape platforms.

Signed-off-by: Shaohui Xie <[email protected]>
Signed-off-by: Hou Zhiqiang <[email protected]>
Acked-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>

Author: Shaohui Xie

drivers/watchdog/Kconfig

@@ -446,7 +446,7 @@ config MAX63XX_WATCHDOG
 
 config IMX2_WDT
 	tristate "IMX2+ Watchdog"
-	depends on ARCH_MXC
+	depends on ARCH_MXC || ARCH_LAYERSCAPE
 	select REGMAP_MMIO
 	select WATCHDOG_CORE
 	help