Use a single hint for both Xbox 360 and Xbox One controllers, since they are often the same driver.

include/SDL_hints.h

@@ -510,7 +510,7 @@ extern "C" {
 #define SDL_HINT_JOYSTICK_HIDAPI_SWITCH "SDL_JOYSTICK_HIDAPI_SWITCH"
 
 /**
- *  \brief  A variable controlling whether the HIDAPI driver for XBox 360 controllers should be used.
+ *  \brief  A variable controlling whether the HIDAPI driver for XBox controllers should be used.
  *
  *  This variable can be set to the following values:
  *    "0"       - HIDAPI driver is not used
@@ -518,18 +518,7 @@ extern "C" {
  *
  *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
  */
-#define SDL_HINT_JOYSTICK_HIDAPI_XBOX360 "SDL_JOYSTICK_HIDAPI_XBOX360"
-
-/**
- *  \brief  A variable controlling whether the HIDAPI driver for XBox One controllers should be used.
- *
- *  This variable can be set to the following values:
- *    "0"       - HIDAPI driver is not used
- *    "1"       - HIDAPI driver is used
- *
- *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
- */
-#define SDL_HINT_JOYSTICK_HIDAPI_XBOXONE "SDL_JOYSTICK_HIDAPI_XBOXONE"
+#define SDL_HINT_JOYSTICK_HIDAPI_XBOX   "SDL_JOYSTICK_HIDAPI_XBOX"
 
 /**
  *  \brief  A variable that controls whether Steam Controllers should be exposed using the SDL joystick and game controller APIs

src/joystick/hidapi/SDL_hidapi_xbox360.c

@@ -444,7 +444,7 @@ HIDAPI_DriverXbox360_Quit(SDL_Joystick *joystick, hid_device *dev, void *context
 
 SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXbox360 =
 {
-    SDL_HINT_JOYSTICK_HIDAPI_XBOX360,
+    SDL_HINT_JOYSTICK_HIDAPI_XBOX,
     SDL_TRUE,
     HIDAPI_DriverXbox360_IsSupportedDevice,
     HIDAPI_DriverXbox360_GetDeviceName,

src/joystick/hidapi/SDL_hidapi_xboxone.c

@@ -301,7 +301,7 @@ HIDAPI_DriverXboxOne_Quit(SDL_Joystick *joystick, hid_device *dev, void *context
 
 SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXboxOne =
 {
-    SDL_HINT_JOYSTICK_HIDAPI_XBOXONE,
+    SDL_HINT_JOYSTICK_HIDAPI_XBOX,
     SDL_TRUE,
     HIDAPI_DriverXboxOne_IsSupportedDevice,
     HIDAPI_DriverXboxOne_GetDeviceName,