[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: Jiri Slaby <[e-mail]>
Acked-by: Mike Frysinger <[e-mail]>
Cc: Bryan Wu <[e-mail]>
Signed-off-by: Wim Van Sebroeck <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>

drivers/watchdog/bfin_wdt.c

···
 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