operational SPI with OS5

Revision:
21:4e300741229d
Parent:
20:3d13ed027d89
Child:
23:f732f7a1db63
--- a/mbed-os.lib	Thu Dec 22 16:45:03 2016 +0000
+++ b/mbed-os.lib	Thu Jan 05 16:00:04 2017 +0000
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-os/#0789928ee7f2db08a419fa4a032fffd9bd477aa7
+https://github.com/ARMmbed/mbed-os/#2885c1b41e63158cb6faf5f107cd821ae06ef26c