git-perltools provides some usefull git tools like:
git-submodule, git-request-pull, git-send-email, git-am, etc.
We should have it added in self-hosted image.
(From OE-Core rev: 4b0cbdc9c94b336f3102d4cce1886842b28ce6d5)
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>