Modify  emails to ribalda@kernel.org and unify my surname in all the
files.
Signed-off-by: NRicardo Ribalda <ribalda@kernel.org>
Link: https://lore.kernel.org/r/20200430135224.362700-1-ricardo@ribalda.comSigned-off-by: NJonathan Corbet <corbet@lwn.net>