.mailmap: add an alias for Rodrigo Vivi

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/1999>
diff --git a/.mailmap b/.mailmap
index 2ecf0b9..dce2926 100644
--- a/.mailmap
+++ b/.mailmap
@@ -516,6 +516,8 @@
 
 Robert Hooker <sarvatt@ubuntu.com> <robert.hooker@canonical.com>
 
+Rodrigo Vivi <rodrigo.vivi@intel.com> <rodrigo.vivi@gmail.com>
+
 Roland Scheidegger <sroland@vmware.com> <rscheidegger@gmx.ch>
 Roland Scheidegger <sroland@vmware.com> <sroland@tungstengraphics.com>