Add support for Nucleo-F446RE

Dependencies:   mbed

Revision:
0:1ed39951ab7b
Child:
4:5ece30264cd9
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Aug 19 12:48:26 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/9327015d4013
\ No newline at end of file