Fixed handling of the Apple TV remote buttons

The menu button on the remote is the back button

src/joystick/SDL_gamecontrollerdb.h

@@ -219,6 +219,7 @@ static const char *s_ControllerMappings [] =
 #if defined(SDL_JOYSTICK_MFI)
     "4d466947616d65706164010000000000,MFi Extended Gamepad,a:b0,b:b1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,righttrigger:a5,rightx:a3,righty:a4,start:b6,x:b2,y:b3,",
     "4d466947616d65706164020000000000,MFi Gamepad,a:b0,b:b1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,rightshoulder:b5,start:b6,x:b2,y:b3,",
+    "4d466947616d65706164030000000000,Remote,a:b0,b:b2,leftx:a0,lefty:a1,",
     "05000000de2800000511000001000000,Steam Controller,a:b0,b:b1,back:b6,guide:b8,leftshoulder:b4,leftstick:b9,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,righttrigger:a3,start:b7,x:b2,y:b3,",
 #endif
 #if defined(SDL_JOYSTICK_EMSCRIPTEN)