Forgot to update default keymap

- they had the wrong oled driver in there
- Added copyright stuff back

keyboards/klor/2040/2040.c

@@ -1 +1,4 @@
+// Copyright 2022 @geigeigeist
+// SPDX-License-Identifier: GPL-2.0+
+
 #include "2040.h"

keyboards/klor/2040/2040.h

@@ -1,3 +1,6 @@
+// Copyright 2022 @geigeigeist
+// SPDX-License-Identifier: GPL-2.0+
+
 #pragma once
 
 #include "klor.h"

keyboards/klor/2040/config.h

@@ -1,3 +1,7 @@
+// Copyright 2022 @geigeigeist
+// SPDX-License-Identifier: GPL-2.0+
+// here you find only RP2040 specific configurations
+
 #pragma once
 #include "config_common.h"