export GIT_SSL_CAINFO so git can find the certs
(From OE-Core rev: 260ea7b85ecacf2fcd4d09fa2f602d3e4368ef69)
Signed-off-by: Fahad Usman <fahad.usman@gmail.com>
Signed-off-by: Christopher Larson <kergoth@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>