GIT_SSH_COMMAND is more convinient to use if arguments have to be passed
and the user doesn't want to create a wrapper script around ssh.
(Bitbake rev: 5e746cb9d26ce87d6c9d52d9022122081a9811c5)
Signed-off-by: Pavel Zhukov <pavel.zhukov@huawei.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>