Refactor AccelerometerThread.h (#4831)

* Initial upload

* Tidy up

* Update ICM20948Sensor.cpp

* Update AccelerometerThread.h

* Initial upload

* Tidy up

* Update ICM20948Sensor.cpp

* Update AccelerometerThread.h

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

src/motion/STK8XXXSensor.h

@@ -0,0 +1,37 @@
+#pragma once
+#ifndef _STK8XXX_SENSOR_H_
+#define _STK8XXX_SENSOR_H_
+
+#include "MotionSensor.h"
+
+#if !defined(ARCH_PORTDUINO) && !defined(ARCH_STM32WL) && !MESHTASTIC_EXCLUDE_I2C
+
+#ifdef STK8XXX_INT
+
+#include <stk8baxx.h>
+
+class STK8XXXSensor : public MotionSensor
+{
+  private:
+    STK8xxx sensor;
+
+  public:
+    explicit STK8XXXSensor(ScanI2C::FoundDevice foundDevice);
+    virtual bool init() override;
+    virtual int32_t runOnce() override;
+};
+
+#else
+
+// Stub
+class STK8XXXSensor : public MotionSensor
+{
+  public:
+    explicit STK8XXXSensor(ScanI2C::FoundDevice foundDevice);
+};
+
+#endif
+
+#endif
+
+#endif