api/builtin: add missing DCMotor.stop() method

This was missing. It also has a different default value
from the Motor class, so Motor overrides this method.

doc/api/iodevices_ev3.inc

@@ -74,6 +74,9 @@ This class can be used to control classic LEGO motors using converter cables.
     .. automethod:: pybricks.builtins.DCMotor.dc
         :noindex:
 
+    .. automethod:: pybricks.builtins.DCMotor.stop
+        :noindex:
+
 Ev3dev sensors
 ^^^^^^^^^^^^^^^^^^^^^
 

doc/api/pupdevices.rst

@@ -14,6 +14,9 @@ Motors without Rotation Sensors
     .. automethod:: pybricks.builtins.DCMotor.dc
         :noindex:
 
+    .. automethod:: pybricks.builtins.DCMotor.stop
+        :noindex:
+
 Motors with Rotation Sensors
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

pybricks/builtins.py

@@ -30,6 +30,15 @@ class DCMotor:
         """
         pass
 
+    def stop(self, stop_type=Stop.COAST):
+        """Stop the motor.
+
+        Arguments:
+            stop_type (Stop): Whether to coast, brake, or hold (*Default*:
+                              :class:`Stop.COAST <.parameters.Stop>`).
+        """
+        pass
+
 
 class Control:
     """Class to interact with PID controller and settings.