Instead of including KeyboardConfig.h, include KeyboardioFirmware.h

This works both when the hardware bits are still in KeyboardioFirmware, and when
lifted out, too.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>

src/LEDUtils.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "KeyboardConfig.h"
+#include <KeyboardioFirmware.h>
 
 cRGB breath_compute (void);
 cRGB hsv_to_rgb(uint16_t h, uint16_t s, uint16_t v);