PlatformIO Travis test

spi.h renamed to avoid conflicts with base libraries

platformio.ini

@@ -24,6 +24,7 @@ lib_deps =
   LiquidCrystal_I2C@1.1.2
   https://github.com/lincomatic/LiquidTWI2.git
   https://github.com/teemuatlut/TMC2130Stepper.git
+  https://github.com/adafruit/Adafruit_NeoPixel.git
 default_src_filter = +<*> -<example_configurations> -<src/HAL/HAL_*>
 
 [env:megaatmega2560]
@@ -95,7 +96,7 @@ lib_deps = ${common.lib_deps}
 platform = atmelsam
 framework = arduino
 board = due
-build_flags = -I $BUILDSRC_DIR
+build_flags = -I $BUILDSRC_DIR -D MOTHERBOARD=BOARD_RAMPS4DUE_EFB
 lib_deps = ${common.lib_deps}
 src_filter = ${common.default_src_filter} +<src/HAL/HAL_DUE>