Add Spark to AHAL

Change-Id: I2e184424d7739b380020a57eca0290ba0fb8b8fa
diff --git a/frc971/wpilib/ahal/Spark.h b/frc971/wpilib/ahal/Spark.h
new file mode 100644
index 0000000..f33130b
--- /dev/null
+++ b/frc971/wpilib/ahal/Spark.h
@@ -0,0 +1,23 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2008-2017. All Rights Reserved.                        */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#pragma once
+
+#include "frc971/wpilib/ahal/PWM.h"
+
+namespace frc {
+
+/**
+ * Vex Robotics Victor SP Speed Controller
+ */
+class Spark : public PWM {
+ public:
+  explicit Spark(int channel);
+  virtual ~Spark() = default;
+};
+
+}  // namespace frc