.mailmap: add an alias for Erik Faye-Lund

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/1999>
diff --git a/.mailmap b/.mailmap
index 36da788..1e33a7b 100644
--- a/.mailmap
+++ b/.mailmap
@@ -208,6 +208,8 @@
 Eric Engestrom <eric@engestrom.ch> <eric.engestrom@imgtec.com>
 Eric Engestrom <eric@engestrom.ch> <eric.engestrom@intel.com>
 
+Erik Faye-Lund <kusmabite@gmail.com> <erik.faye-lund@collabora.com>
+
 Eugeni Dodonov <eugeni.dodonov@intel.com> <eugeni@mandriva.com>
 
 Fabian Bieler <der.fabe@gmx.net> <fabianbieler@fastmail.fm>