Kernel: Move Mutex into Locking/

Author: https://github.com/boricj
Commit: f7f794e74a
Pull-request: https://github.com/SerenityOS/serenity/pull/8851
Reviewed-by: https://github.com/awesomekling ✅
Reviewed-by: https://github.com/bgianfo

Kernel/Storage/StorageController.h

@@ -12,8 +12,8 @@
 #include <Kernel/Bus/PCI/DeviceController.h>
 #include <Kernel/Devices/Device.h>
 #include <Kernel/IO.h>
+#include <Kernel/Locking/Mutex.h>
 #include <Kernel/Memory/PhysicalPage.h>
-#include <Kernel/Mutex.h>
 #include <Kernel/PhysicalAddress.h>
 #include <Kernel/Random.h>
 #include <Kernel/WaitQueue.h>