Don't treat the Moonlander MK1 Keyboard as a controller

Fixes http://github.com/mgba-emu/mgba/issues/3606

src/joystick/SDL_joystick.c

@@ -445,6 +445,7 @@ static Uint32 initial_blacklist_devices[] = {
     MAKE_VIDPID(0x1532, 0x0282), // Razer Huntsman Mini Analog, non-functional DInput device
     MAKE_VIDPID(0x26ce, 0x01a2), // ASRock LED Controller
     MAKE_VIDPID(0x20d6, 0x0002), // PowerA Enhanced Wireless Controller for Nintendo Switch (charging port only)
+    MAKE_VIDPID(0x3297, 0x1969), // Moonlander MK1 Keyboard
     MAKE_VIDPID(0x3434, 0x0211), // Keychron K1 Pro System Control
 };
 static SDL_vidpid_list blacklist_devices = {