Add SDL_SCANCODE_SOFTLEFT and SDL_SCANCODE_SOFTRIGHT

src/events/SDL_keyboard.c

@@ -282,6 +282,8 @@ static const SDL_Keycode SDL_default_keymap[SDL_NUM_SCANCODES] = {
     SDLK_APP2,
     SDLK_AUDIOREWIND,
     SDLK_AUDIOFASTFORWARD,
+    SDLK_SOFTLEFT,
+    SDLK_SOFTRIGHT,
 };
 
 static const char *SDL_scancode_names[SDL_NUM_SCANCODES] = {
@@ -518,6 +520,8 @@ static const char *SDL_scancode_names[SDL_NUM_SCANCODES] = {
     "App2",
     "AudioRewind",
     "AudioFastForward",
+    "SoftLeft",
+    "SoftRight",
 };
 
 /* Taken from SDL_iconv() */