[WATCHDOG] Correct WDIOF_MAGICCLOSE flag

Make sure that when the WDIOF_MAGICCLOSE flag is set we also
support the magic-close feature...

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c
index 55dcbfe..3fe9742 100644
--- a/drivers/watchdog/ar7_wdt.c
+++ b/drivers/watchdog/ar7_wdt.c
@@ -246,7 +246,8 @@
 	static struct watchdog_info ident = {
 		.identity = LONGNAME,
 		.firmware_version = 1,
-		.options = (WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING),
+		.options = (WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING |
+						WDIOF_MAGICCLOSE),
 	};
 	int new_margin;