update for mbed-os-5.11 (and Nboard IHM-V2)

Dependencies:   IHM_V2

Revision:
25:43e058c2bf8a
Parent:
23:f732f7a1db63
Child:
26:0b45eb26bd42
--- a/mbed-os.lib	Thu Feb 02 12:00:04 2017 +0000
+++ b/mbed-os.lib	Thu Feb 02 12:45:04 2017 +0000
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-os/#34c1facf42a174f47fdf9002cd8c6bf10ac41744
+https://github.com/ARMmbed/mbed-os/#269f58d75b752a4e67a6a2d8c5c698635ffd6752