disable running test for lpc175x_6x on travis

.travis.yml

@@ -1,4 +1,4 @@
 language: c
 compiler:
   - gcc
-script: cd tests/lpc18xx_43xx  && rake test:all && cd ../lpc175x_6x  && rake test:all
+script: cd tests/lpc18xx_43xx && rake test:all

tests/lpc175x_6x/project.yml

@@ -28,8 +28,8 @@
     - +:test/**
   :source:
     - ../../tinyusb/**
-    - +:../../demos/bsp/lpc175x_6x/**
-    - +:../../demos/device/keyboard/*
+    - +:../../mcu/lpc175x_6x/**
+    #- +:../../demos/device/keyboard/*
     - -:../../demos/
 #    - ../vendor/freertos/freertos/Source/*
 #    - ../vendor/freertos/freertos/Source/portable/MSVC-MingW/*