SDRAM for DISCO_F746NG basic example

Dependencies:   BSP_DISCO_F746NG

Revision:
2:a4fa4bf7871d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Jun 08 07:58:28 2017 +0000
@@ -0,0 +1,1 @@
+https://mbed.org/users/mbed_official/code/mbed/builds/6c34061e7c34
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