Relocate base WS2812 code (#24850)

builddefs/common_features.mk

@@ -944,6 +944,8 @@ ifeq ($(strip $(WS2812_DRIVER_REQUIRED)), yes)
 
     OPT_DEFS += -DWS2812_$(strip $(shell echo $(WS2812_DRIVER) | tr '[:lower:]' '[:upper:]'))
 
+    COMMON_VPATH += $(DRIVER_PATH)/led
+
     SRC += ws2812.c ws2812_$(strip $(WS2812_DRIVER)).c
 
     ifeq ($(strip $(PLATFORM)), CHIBIOS)

keyboards/ibm/model_m/mschwingen/mschwingen.c

@@ -19,9 +19,12 @@
 #include "uart.h"
 #include "print.h"
 #include "sendchar.h"
-#include "ws2812.h"
 #include "sleep_led.h"
 
+#ifdef KEYBOARD_ibm_model_m_mschwingen_led_ws2812
+#include "ws2812.h"
+#endif
+
 #ifdef UART_DEBUG
 #    undef sendchar
 static int8_t capture_sendchar(uint8_t c) {