Fix the check for the new board

Author: bradamiller

XRPLib/encoded_motor.py

@@ -21,7 +21,7 @@ def get_default_encoded_motor(cls, index:int = 1):
         :param index: The index of the motor to get; 1 for left, 2 for right, 3 for motor 3, 4 for motor 4
         :type index: int
         """
-        if sys.implementation._machine == "SparkFun XRP V2 with RP2350":
+        if "2350" in sys.implementation._machine:
             usePwm = True
         else:
             usePwm = False