* it was send in v1 of proto -> protocol changes but then wasn't in V2
http://patchwork.openembedded.org/patch/31617/
where warning about proto= was moved to shared __init__
(Bitbake rev: b2017f493ab730d804ae44ec5a168d464626d046)
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>