watchdog: nowayout is bool

nowayout is actually a boolean value.
So make it bool for all watchdog device drivers.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h
index 43ba5b3c..de75167 100644
--- a/include/linux/watchdog.h
+++ b/include/linux/watchdog.h
@@ -127,7 +127,7 @@
 #endif
 
 /* Use the following function to set the nowayout feature */
-static inline void watchdog_set_nowayout(struct watchdog_device *wdd, int nowayout)
+static inline void watchdog_set_nowayout(struct watchdog_device *wdd, bool nowayout)
 {
 	if (nowayout)
 		set_bit(WDOG_NO_WAY_OUT, &wdd->status);