mayflash adapter PS4 support

src/joystick/hidapi/SDL_hidapijoystick.c

@@ -164,6 +164,8 @@ SDL_bool HIDAPI_SupportsPlaystationDetection(Uint16 vendor, Uint16 product)
         return SDL_TRUE;
     case USB_VENDOR_MADCATZ:
         return SDL_TRUE;
+    case USB_VENDOR_MAYFLASH:
+        return SDL_TRUE;
     case USB_VENDOR_NACON:
     case USB_VENDOR_NACON_ALT:
         return SDL_TRUE;

src/joystick/usb_ids.h

@@ -37,6 +37,7 @@
 #define USB_VENDOR_HYPERKIN     0x2e24
 #define USB_VENDOR_LOGITECH     0x046d
 #define USB_VENDOR_MADCATZ      0x0738
+#define USB_VENDOR_MAYFLASH     0x33df
 #define USB_VENDOR_MICROSOFT    0x045e
 #define USB_VENDOR_NACON        0x146b
 #define USB_VENDOR_NACON_ALT    0x3285