Code sync and fixed compile error for Mbed OS5

Dependencies:   DHT

Committer:
Daniel_Lee
Date:
Fri Nov 08 04:33:45 2019 +0000
Revision:
3:264755aa4608
Parent:
2:81340dde3444
Update;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Daniel_Lee 2:81340dde3444 1 https://github.com/ARMmbed/mbed-os/#3a57ec7401a77b8b98f6356a1498cb154229483f