watchdog: move WATCHDOG_TIMEOUT_MSECS to Kconfig

move WATCHDOG_TIMEOUT_MSECS to Kconfig and fix
all board defconfigs.

Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Stefan Roese <sr@denx.de>
Acked-by: Lukasz Majewski <lukma@denx.de>
Acked-by: Martyn Welch <martyn.welch@collabora.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index a66a9bc..8c16d69 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -8,6 +8,15 @@
 	  this option if you want to service enabled watchdog by U-Boot. Disable
 	  this option if you want U-Boot to start watchdog but never service it.
 
+config WATCHDOG_TIMEOUT_MSECS
+	int "Watchdog timeout in msec"
+	default 128000 if ARCH_MX25 || ARCH_MX31 || ARCH_MX5 || ARCH_MX6
+	default 128000 if ARCH_MX7 || ARCH_VF610
+	default 30000 if ARCH_SOCFPGA
+	default 60000
+	help
+	  Watchdog timeout in msec
+
 config HW_WATCHDOG
 	bool