Add basic controller input using the SDL2 GameController API

include/services/hid.hpp

@@ -87,6 +87,14 @@ public:
 	void pressKey(u32 mask) { newButtons |= mask; }
 	void releaseKey(u32 mask) { newButtons &= ~mask; }
 
+    s16 getCirclepadX() {
+        return circlePadX;
+    }
+
+    s16 getCirclepadY() {
+        return circlePadY;
+    }
+
 	void setCirclepadX(s16 x) {
 		circlePadX = x;
 
@@ -129,4 +137,4 @@ public:
 	void releaseTouchScreen() {
 		touchScreenPressed = false;
 	}
-};
+};