mailmap: map Coiby Xu's address

Point to my gmail address as I've left Red Hat.

Link: https://lore.kernel.org/20260828084106.1494733-1-coiby.xu@gmail.com
Signed-off-by: Coiby Xu <coiby.xu@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Coiby Xu 2026-08-28 16:41:06 +08:00 • committed by Andrew Morton
commit e1d56f0465