add board_noos_millis() for blinky

tools/build_all.py

@@ -0,0 +1,11 @@
+import os
+import shutil
+import sys
+import subprocess
+import time
+
+all_boards = ["metro_m0_express", "metro_m4_express", "pca10056", "stm32f407g_disc1"]
+
+for board in all_boards:
+    subprocess.run("make -j2 -C examples/device/cdc_msc_hid BOARD={} clean".format(board), shell=True)
+    subprocess.run("make -j2 -C examples/device/cdc_msc_hid BOARD={} all".format(board), shell=True)