drivers/base: Remove unneeded spin_lock_init call for soc_lock

soc_lock is already initialized by DEFINE_SPINLOCK.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/base/soc.c

@@ -168,8 +168,6 @@ void soc_device_unregister(struct soc_device *soc_dev)
 
 static int __init soc_bus_register(void)
 {
-	spin_lock_init(&soc_lock);
-
 	return bus_register(&soc_bus_type);
 }
 core_initcall(soc_bus_register);