Added ST_INTERFACES library.

Dependencies:   ST_INTERFACES

Fork of X_NUCLEO_IHM04A1 by ST

Revision:
4:e1e5466ad5a7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ST_INTERFACES.lib	Thu Sep 29 09:53:00 2016 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/teams/ST/code/ST_INTERFACES/#a7810e7acf8d