bitbake.conf: Add gpg-agent as a host tool
If gpg is used, it will find the first gpg agent in the path, this
may lead to issues where gpg comes from the host, and the agent
comes from a gnupg-native due to package signing. The versions
being out of sync causes gpg to fail.
Signed-off-by: Daniel McGregor <daniel.mcgregor@vecima.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit
2b59fb9d52a405a32a1d069d4c5320b72fbd35ce)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
