fix duplicated definition of MOSI MISO pins in case motherboard==33

diff --git a/Marlin/Sd2PinMap.h b/Marlin/Sd2PinMap.h
index 847f9f33bbdf2c6aaeb3de9ef314c6a7747fb250..77a74987c03c561947a50ad76c58a598c7dd2dcc 100644 (file)
--- a/Marlin/Sd2PinMap.h
+++ b/Marlin/Sd2PinMap.h
@@ -38,6 +38,8 @@ struct pin_map_t {
 uint8_t const SDA_PIN = 20;  // D1\r
 uint8_t const SCL_PIN = 21;  // D0\r
 \r
+#undef MOSI_PIN\r
+#undef MISO_PIN\r
 // SPI port\r
 uint8_t const SS_PIN = 53;    // B0\r
 uint8_t const MOSI_PIN = 51;  // B2\r