mailmap: map Loic Poulain's old email addresses

Map old email addresses that are no longer in use.

Link: https://lkml.kernel.org/r/20250402130137.12328-1-loic.poulain@oss.qualcomm.com


Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Cc: Simon Horman <horms@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>