made sd code only compile with SDSUPPORT defined. safes 10k of codespace

Marlin/Sd2PinMap.h

@@ -18,6 +18,9 @@
  * <http://www.gnu.org/licenses/>.
  */
 // Warning this file was generated by a program.
+#include "Marlin.h"
+#ifdef SDSUPPORT
+
 #ifndef Sd2PinMap_h
 #define Sd2PinMap_h
 #include <avr/io.h>
@@ -360,3 +363,6 @@ static inline __attribute__((always_inline))
   }
 }
 #endif  // Sd2PinMap_h
+
+
+#endif