ia64: salinfo: semaphore_init instead of init_MUTEX

The usage of this "mutex" is non obvious and used as completion in
some places. Make it a semaphore.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>

arch/ia64/kernel/salinfo.c

@@ -643,7 +643,7 @@ salinfo_init(void)
 	for (i = 0; i < ARRAY_SIZE(salinfo_log_name); i++) {
 		data = salinfo_data + i;
 		data->type = i;
-		init_MUTEX(&data->mutex);
+		semaphore_init(&data->mutex);
 		dir = proc_mkdir(salinfo_log_name[i], salinfo_dir);
 		if (!dir)
 			continue;