[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/scx200_wdt.c b/drivers/watchdog/scx200_wdt.c
index ea93692..e67b76c 100644
--- a/drivers/watchdog/scx200_wdt.c
+++ b/drivers/watchdog/scx200_wdt.c
@@ -165,7 +165,8 @@
 	static const struct watchdog_info ident = {
 		.identity = "NatSemi SCx200 Watchdog",
 		.firmware_version = 1,
-		.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
+		.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING |
+						WDIOF_MAGICCLOSE,
 	};
 	int new_margin;