Describes predefine macros for mbed online compiler (armcc)

Revision:
10:9a8be9fef9e7
Parent:
9:cf8652c08e46
--- a/mbed-os.lib	Mon Dec 10 00:46:12 2018 +0000
+++ b/mbed-os.lib	Wed Mar 11 06:26:11 2020 +0000
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-os/#d9625811c9193ac3ab36a969bab93e28dac03776
+https://github.com/ARMmbed/mbed-os/#c12b433026beae5b3b769c27941bc6d7fe5d4b27