secondcommit for test of fork for mbed 5.15.3

Revision:
1:5a83b14194c7
Parent:
0:4ad2c16b6e43
--- a/mbed-os.lib	Fri Aug 09 23:18:24 2019 +0000
+++ b/mbed-os.lib	Thu Aug 15 22:57:40 2019 +0000
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-os/#cfa7938a4dd6d1a4c501945b9c26ca68f70e284e
+https://github.com/ARMmbed/mbed-os/#808c45062f940790e1287bd6b8420290c062775c