ftf mbed os semaphores lab

Dependencies:   ST7567

Revision:
0:30211b394890
diff -r 000000000000 -r 30211b394890 mbed-os.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Sun Nov 06 00:56:46 2016 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#a6f3fd1a60d5df59246d7caf3f108c4d34e1808e