Add the list of renamed and removed variables, show how the renaming
script works. Also mention the change in cve-check output.
(From yocto-docs rev: a0b55789035c8d44426b6ff8267b4042ef0a58ba)
Signed-off-by: Marta Rybczynska <marta.rybczynska@huawei.com>
Reviewed-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>