mailmap: Sahid Orentino Ferdjaoui affiliation

Signed-off-by: Loic Dachary <loic@dachary.org>
Merge pull request #1823 from dachary/wip-mailmap

mailmap: Sahid Orentino Ferdjaoui affiliation

Reviewed-by: Sahid Orentino Ferdjaoui <sahid.ferdjaoui@cloudwatt.com>