ev3dev: make gyro calibrate method private

This method is a bit buggy, so make it private until we get the kinks worked out

Author: dlech

bricks/ev3dev/modules/pybricks/ev3devices.py

@@ -234,7 +234,7 @@ def reset_angle(self, angle):
         else:
             self.offset = -self._value(0) - angle
 
-    def calibrate(self):
+    def _calibrate(self):
         self._reset()
         self.reset_angle(0)
 

lib/fake-pybricks/pybricks/ev3devices.py

@@ -442,8 +442,11 @@ def reset_angle(self, angle):
         """
         pass
 
-    def calibrate(self):
-        """Calibrate the sensor. This process sets the speed and angle to zero and ensures that the angle value does not drift.
+    def _calibrate(self):
+        """Calibrate the sensor.
+
+        This process sets the speed and angle to zero and ensures that the
+        angle value does not drift.
 
         Make sure that the sensor does not move while calibrating.