watchdog: lpc18xx_wdt_get_timeleft() can be static

Signed-off-by: NFengguang Wu <fengguang.wu@intel.com>
Reviewed-by: NGuenter Roeck <linux@roeck-us.net>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

drivers/watchdog/lpc18xx_wdt.c

@@ -123,7 +123,7 @@ static int lpc18xx_wdt_set_timeout(struct watchdog_device *wdt_dev,
 	return 0;
 }
 
-unsigned int lpc18xx_wdt_get_timeleft(struct watchdog_device *wdt_dev)
+static unsigned int lpc18xx_wdt_get_timeleft(struct watchdog_device *wdt_dev)
 {
 	struct lpc18xx_wdt_dev *lpc18xx_wdt = watchdog_get_drvdata(wdt_dev);
 	unsigned int val;