.mailmap: update aliases for Pierre-Eric Pelloux-Prayer

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/1999>
diff --git a/.mailmap b/.mailmap
index 9e0c1af..3f98fd3 100644
--- a/.mailmap
+++ b/.mailmap
@@ -480,7 +480,8 @@
 
 Philipp Zabel <p.zabel@pengutronix.de> <philipp.zabel@gmail.com>
 
-Pierre-Eric Pelloux-Prayer <pelloux@gmail.com> pepp <pelloux@gmail.com>
+Pierre-Eric Pelloux-Prayer <pelloux@gmail.com> <pelloux@gmail.com>
+Pierre-Eric Pelloux-Prayer <pelloux@gmail.com> <pierre-eric.pelloux-prayer@amd.com>
 
 Pierre Willenbrock <pierre@pirsoft.de> Pierre Willenbrok <pierre@pirsoft.de>