The instructions there are a little outdated. Sergio
suggested changing just my e-mail, but let's do a better job
and use my canonical e-mail (mchehab@kernel.org), plus add the
alternative of sending patches against either github or gitlab.

Suggested-by: Sergio Gelato <sergio.gelato@astro.su.se>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>