Allow conf.py to read the versions it needs from poky.yaml and have
set_versions.py write this out. This means we don't have to change as
many files when making new releases.
(From yocto-docs rev: bfe74c67f327f0c6445cb4129ee0c32db022b95a)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Use a script to generate the branch/tag information inside poky.yaml.
If the branch isn't a known release branch, include git magic to find
the closest matching release branch we know about.
(From yocto-docs rev: 841e2df0e2e544b82fff9ddd0339a4e775148e3a)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>