SDL: Allow mapping Android controllers that just have a D-PAD and face buttons

SDL Commits
1 
From 808c3ae61263ea6100844f0f205ca4156f41d60c Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 24 Jul 2021 10:36:56 -0700
Subject: [PATCH] Allow mapping Android controllers that just have a D-PAD and
 face buttons

This fixes bug https://github.com/libsdl-org/SDL/issues/4327
---
 src/joystick/SDL_gamecontroller.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/joystick/SDL_gamecontroller.c b/src/joystick/SDL_gamecontroller.c
index 87663f57f..90d11dc4a 100644
--- a/src/joystick/SDL_gamecontroller.c
+++ b/src/joystick/SDL_gamecontroller.c
@@ -485,7 +485,7 @@ static ControllerMapping_t *SDL_CreateMappingForAndroidController(SDL_JoystickGU
         /* Accelerometer, shouldn't have a game controller mapping */
         return NULL;
     }
-    if (!(button_mask & face_button_mask) || !axis_mask) {
+    if (!(button_mask & face_button_mask)) {
         /* We don't know what buttons or axes are supported, don't make up a mapping */
         return NULL;
     }