* make git,curl,python3-requests align with openssl, move the setting of
envvars into respective envfile
* for environment.d-openssl.sh, also check if ca-certificates.crt exist
before export envvars
(From OE-Core rev: 5f4fd544d3df7365224599c9efdce4e545f51d5e)
Signed-off-by: Changqing Li <changqing.li@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>