NuMaker without external SRAM configuration

Revision:
3:d4c3ead6f4c7
Parent:
1:a3b9047e5ae0
--- a/mbed-os.lib	Wed Mar 01 13:07:50 2017 +0800
+++ b/mbed-os.lib	Tue Jul 11 10:41:01 2017 +0800
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-os/#3a27568a505bbc0bb8eeb973109d3d39ce823d1c
+https://github.com/ARMmbed/mbed-os/#8828635da469162cf2854b5287561c663fb96e72