Kenji Arai / Mbed 2 deprecated Check_StandBy_os2

Enter Standby mode then wake up(only restart) by RTC timer

Dependencies:   mbed WakeUp_STM32

see /users/kenjiArai/notebook/standby-mode-current-consumption-on-nucleo-f446re/

Diff: mbed.bld

Revision:
2:4793eeeac6d0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Mar 12 09:29:18 2020 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
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