.mailmap: add a few aliases for Kevin Rogovin

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/1999>
diff --git a/.mailmap b/.mailmap
index 348bf88..20423e7 100644
--- a/.mailmap
+++ b/.mailmap
@@ -346,6 +346,8 @@
 Keith Whitwell <keithw@vmware.com> <keith@tungstengraphics.com>
 Keith Whitwell <keithw@vmware.com> keithw <keithw@keithw-laptop.(none)>
 
+Kevin Rogovin <kevin.rogovin@intel.com> <kevin.rogovin@gmail.com>
+
 Kristian Høgsberg <krh@bitplanet.net> <krh@redhat.com>
 Kristian Høgsberg <krh@bitplanet.net> <krh@hinata.boston.redhat.com>
 Kristian Høgsberg <krh@bitplanet.net> <krh@sasori.boston.redhat.com>