Move the ScreenEdgePosition enum to a more appropriate location

Common/System/OSD.h

@@ -27,18 +27,6 @@ enum class OSDType {
 	VALUE_COUNT,
 };
 
-enum class ScreenEdgePosition {
-	BOTTOM_LEFT = 0,
-	BOTTOM_CENTER = 1,
-	BOTTOM_RIGHT = 2,
-	TOP_LEFT = 3,
-	TOP_CENTER = 4,
-	TOP_RIGHT = 5,
-	CENTER_LEFT = 6,
-	CENTER_RIGHT = 7,
-	VALUE_COUNT,
-};
-
 // Data holder for on-screen messages.
 class OnScreenDisplay {
 public:

Core/ConfigValues.h

@@ -163,3 +163,15 @@ enum TiltTypes {
 	TILT_ACTION_BUTTON,
 	TILT_TRIGGER_BUTTONS,
 };
+
+enum class ScreenEdgePosition {
+	BOTTOM_LEFT = 0,
+	BOTTOM_CENTER = 1,
+	BOTTOM_RIGHT = 2,
+	TOP_LEFT = 3,
+	TOP_CENTER = 4,
+	TOP_RIGHT = 5,
+	CENTER_LEFT = 6,
+	CENTER_RIGHT = 7,
+	VALUE_COUNT,
+};