Fix MIN/MAX function collision with macros

Marlin/src/HAL/HAL_LPC1768/HAL_spi.cpp

@@ -162,7 +162,7 @@
     // setup for SPI mode
     SSP_CFG_Type HW_SPI_init; // data structure to hold init values
     SSP_ConfigStructInit(&HW_SPI_init);  // set values for SPI mode
-    HW_SPI_init.ClockRate = Marlin_speed[MIN(spiRate, 6)]; // put in the specified bit rate
+    HW_SPI_init.ClockRate = Marlin_speed[_MIN(spiRate, 6)]; // put in the specified bit rate
     HW_SPI_init.Mode |= SSP_CR1_SSP_EN;
     SSP_Init(LPC_SSPn, &HW_SPI_init);  // puts the values into the proper bits in the SSP0 registers
   }