operational SPI with OS5

Revision:
42:f39d7abfada9
Parent:
41:3f37e8ac5378
Child:
43:f8fc29d58d3c
--- a/mbed-os.lib	Tue Jul 18 09:45:02 2017 +0100
+++ b/mbed-os.lib	Thu Aug 03 12:15:01 2017 +0100
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-os/#ed9d1da9dd0c43907ba40cba5ebd9f2c6da3dc07
+https://github.com/ARMmbed/mbed-os/#4c256f04596179699c4f14b6863b07cc024ca9be