add WIP for Unit C6L (#7433)

* add WIP for Unit C6L
* adapt to new config structure
* Add c6l BLE and screen support (#7991)
* Minor c6l fix
* Move out of PRIVATE_HW
---------
Co-authored-by: Austin <vidplace7@gmail.com>
Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
Co-authored-by: Jonathan Bennett <jbennett@incomsystems.biz>
Co-authored-by: Jason P <Xaositek@users.noreply.github.com>
Co-authored-by: Markus <Links2004@users.noreply.github.com>

src/modules/Modules.cpp

@@ -7,6 +7,7 @@
 #include "input/RotaryEncoderInterruptImpl1.h"
 #include "input/SerialKeyboardImpl.h"
 #include "input/UpDownInterruptImpl1.h"
+#include "input/i2cButton.h"
 #include "modules/SystemCommandsModule.h"
 #if HAS_TRACKBALL
 #include "input/TrackballInterruptImpl1.h"
@@ -196,6 +197,9 @@ void setupModules()
 #endif
             cardKbI2cImpl = new CardKbI2cImpl();
             cardKbI2cImpl->init();
+#if defined(M5STACK_UNITC6L)
+            i2cButton = new i2cButtonThread("i2cButtonThread");
+#endif
 #ifdef INPUTBROKER_MATRIX_TYPE
             kbMatrixImpl = new KbMatrixImpl();
             kbMatrixImpl->init();