Neopixel on LPC uses GPIO toggling

Marlin/src/HAL/HAL_LPC1768/inc/SanityCheck.h

 //
 // Flag any i2c pin conflicts
 //
-#if ANY(DIGIPOT_I2C, DIGIPOT_MCP4018, DAC_STEPPER_CURRENT, EXPERIMENTAL_I2CBUS, I2C_POSITION_ENCODERS, NEOPIXEL_LED, PCA9632, I2C_EEPROM)
+#if ANY(DIGIPOT_I2C, DIGIPOT_MCP4018, DAC_STEPPER_CURRENT, EXPERIMENTAL_I2CBUS, I2C_POSITION_ENCODERS, PCA9632, I2C_EEPROM)
   #define USEDI2CDEV_M 1  // <Arduino>/Wire.cpp
 
   #if USEDI2CDEV_M == 0         // P0_27 [D57] (AUX-1) .......... P0_28 [D58] (AUX-1)