watchdog: ep93xx_wdt: Fix timeout after conversion to watchdog core

After the conversion of this driver to the watchdog core, I noticed that we
miss setting the initial timeout of the wdt device.
This results in a failure of the WDIOC_GETTIMEOUT ioctl call.
Reviewed-by: NMika Westerberg <mika.westerberg@iki.fi>
Tested-by: NMika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

drivers/watchdog/ep93xx_wdt.c

@@ -139,6 +139,7 @@ static int __devinit ep93xx_wdt_probe(struct platform_device *pdev)
 
 	val = readl(mmio_base + EP93XX_WATCHDOG);
 	ep93xx_wdt_wdd.bootstatus = (val & 0x01) ? WDIOF_CARDRESET : 0;
+	ep93xx_wdt_wdd.timeout = timeout;
 
 	watchdog_set_nowayout(&ep93xx_wdt_wdd, nowayout);