Add mosquitto build shell script, downgrade openssl to 1.1.0i for cross com...

guowenxue

2020-08-21 ff7ef1ee854ac0eaf77b6ec14441dfebb6fb61fa

linux-bsp/tarballs/linux-3.0.tar.bz2 does not exist in tree 5212f6f03999c305d0ecc92f5148c8c2d44ea4b3