buildtools-tarball: export OPENSSL_CONF in environment setup
The autobuilder has been experiencing SSL: CERTIFICATE_VERIFY_FAILED
errors during error report uploads when using buildtools due to looking
for certs in /opt/poky
(From OE-Core rev:
197f1d5d14b8e57295f5a81c03c86abba5328614)
(From OE-Core rev:
35c6ab2501672083cf8b974d8b9c3daa3202de36)
(From OE-Core rev:
0cb479a5e99289b75e89b2ed5058f33605f15936)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
