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/drivers/watchdog/sbc7240_wdt.c b/drivers/watchdog/sbc7240_wdt.c
index 77cb302..8ab757d 100644
--- a/drivers/watchdog/sbc7240_wdt.c
+++ b/drivers/watchdog/sbc7240_wdt.c
@@ -47,8 +47,8 @@
 		 __MODULE_STRING(SBC7240_MAX_TIMEOUT) ", default="
 		 __MODULE_STRING(SBC7240_TIMEOUT) ")");
 
-static int nowayout = WATCHDOG_NOWAYOUT;
-module_param(nowayout, int, 0);
+static bool nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, bool, 0);
 MODULE_PARM_DESC(nowayout, "Disable watchdog when closing device file");
 
 #define SBC7240_OPEN_STATUS_BIT		0