[WATCHDOG] bfin_wdt, remove SPIN_LOCK_UNLOCKED

bfin_wdt, remove SPIN_LOCK_UNLOCKED

SPIN_LOCK_UNLOCKED is deprecated, use DEFINE_SPINLOCK instead
Signed-off-by: NJiri Slaby <jirislaby@gmail.com>
Acked-by: NMike Frysinger <vapier.adi@gmail.com>
Cc: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>

drivers/watchdog/bfin_wdt.c

@@ -71,7 +71,7 @@ static int nowayout = WATCHDOG_NOWAYOUT;
 static struct watchdog_info bfin_wdt_info;
 static unsigned long open_check;
 static char expect_close;
-static spinlock_t bfin_wdt_spinlock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(bfin_wdt_spinlock);
 
 /**
  *	bfin_wdt_keepalive - Keep the Userspace Watchdog Alive