mailmap: Fix Stefan Weil author email

Fix authorship of commits 266aaedc37~..ac14949821. See commit
3bd2608db7 ("maint: Add .mailmap entries for patches claiming
list authorship") for rationale.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20221208155535.28363-1-philmd@linaro.org>
1 file changed