Only define _BV in Marduino.h

Marlin/src/core/macros.h

@@ -61,8 +61,6 @@
 #define L(CODE) CODE ":\n\t"
 
 // Macros for bit masks
-#undef _BV
-#define _BV(n) (1<<(n))
 #define TEST(n,b) !!((n)&_BV(b))
 #define SET_BIT_TO(N,B,TF) do{ if (TF) SBI(N,B); else CBI(N,B); }while(0)
 

Marlin/src/core/utility.h

@@ -22,6 +22,7 @@
 #pragma once
 
 #include "../inc/MarlinConfigPre.h"
+#include "../HAL/shared/Marduino.h"
 
 constexpr char axis_codes[XYZE] = { 'X', 'Y', 'Z', 'E' };