tap_esc: add board_config.h for completeness

src/drivers/tap_esc/drv_tap_esc.h

@@ -33,6 +33,8 @@
 
 #pragma once
 
+#include <board_config.h>
+
 /* At the moment the only known use is with a current sensor */
 #define ESC_HAVE_CURRENT_SENSOR