Step one of Linux Sensor support (#6673)

* First addition of __has_include for sensor support

* Add __has_include blocks for sensors

* Put BMP and BME back in the right sensors

* Make TelemetrySensor::setup() a pure virtual finction

* Split environmental_base to environmental_extra, to compile the working sensor libs for Native

* Remove hard-coded checks for ARCH_PORTDUINO

* Un-clobber bmx160

* Move BusIO to environmental_extra due to Armv7 compile error

* Move to forked BusIO for the moment

* Enable HAS_SENSOR for Portduino

* Move back to Adafruit BusIO after patch

src/modules/Telemetry/Sensor/nullSensor.h

@@ -0,0 +1,22 @@
+#include "configuration.h"
+
+#if !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
+#pragma once
+
+#include "../mesh/generated/meshtastic/telemetry.pb.h"
+#include "TelemetrySensor.h"
+
+class NullSensor : public TelemetrySensor
+{
+
+  protected:
+    virtual void setup() override;
+
+  public:
+    NullSensor();
+    virtual int32_t runOnce() override;
+    virtual bool getMetrics(meshtastic_Telemetry *measurement) override;
+    int32_t runTrigger() { return 0; }
+};
+
+#endif