[wpilib] Rename MotorType constants to all caps

wpilibc/src/main/native/include/wpi/drive/RobotDriveBase.hpp

@@ -22,21 +22,21 @@ class RobotDriveBase : public MotorSafety {
   /**
    * The location of a motor on the robot for the purpose of driving.
    */
-  enum MotorType {
+  enum class MotorType {
     /// Front-left motor.
-    kFrontLeft = 0,
+    FRONT_LEFT = 0,
     /// Front-right motor.
-    kFrontRight = 1,
+    FRONT_RIGHT = 1,
     /// Rear-left motor.
-    kRearLeft = 2,
+    REAR_LEFT = 2,
     /// Rear-right motor.
-    kRearRight = 3,
+    REAR_RIGHT = 3,
     /// Left motor.
-    kLeft = 0,
+    LEFT = 0,
     /// Right motor.
-    kRight = 1,
+    RIGHT = 1,
     /// Back motor.
-    kBack = 2
+    BACK = 2
   };
 
   RobotDriveBase();