Update Makefile

keyboards/lets_split/keymaps/xk/Makefile

@@ -9,7 +9,7 @@ COMMAND_ENABLE = no         # Commands for debug and configuration
 BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
 MIDI_ENABLE = no            # MIDI controls
 AUDIO_ENABLE = no           # Audio output on port C6
-UNICODE_ENABLE = no         # Unicode
+UNICODE_ENABLE = yes         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight.  Do not enable this with audio at the same time.
 BOOTMAGIC_ENABLE = no       # Virtual DIP switch configuration(+1000)