Kernel: Move a bunch of generic devices code into new subdirectory

Author: https://github.com/supercomputer7
Commit: 4617c05a08
Pull-request: https://github.com/SerenityOS/serenity/pull/17909
Reviewed-by: https://github.com/Panky-codes ✅
Reviewed-by: https://github.com/gmta ✅

Kernel/Devices/DeviceManagement.h

@@ -14,10 +14,10 @@
 #include <Kernel/API/TimePage.h>
 #include <Kernel/Arch/RegisterState.h>
 #include <Kernel/Devices/CharacterDevice.h>
-#include <Kernel/Devices/ConsoleDevice.h>
 #include <Kernel/Devices/Device.h>
-#include <Kernel/Devices/DeviceControlDevice.h>
-#include <Kernel/Devices/NullDevice.h>
+#include <Kernel/Devices/Generic/ConsoleDevice.h>
+#include <Kernel/Devices/Generic/DeviceControlDevice.h>
+#include <Kernel/Devices/Generic/NullDevice.h>
 #include <Kernel/Library/LockRefPtr.h>
 #include <Kernel/UnixTypes.h>