mailmap: add various typos of Emil's address from the log

Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
diff --git a/.mailmap b/.mailmap
index ff60ba7..848d714 100644
--- a/.mailmap
+++ b/.mailmap
@@ -145,6 +145,11 @@
 Emeric Grange <emeric.grange@gmail.com> Emeric <emeric.grange@gmail.com>
 
 Emil Velikov <emil.l.velikov@gmail.com> <emil.velikov@collabora.com>
+Emil Velikov <emil.l.velikov@gmail.com> <emil.veliko@collabora.com>
+Emil Velikov <emil.l.velikov@gmail.com> <emil.velikov@collabora.co.uk>
+Emil Velikov <emil.l.velikov@gmail.com> <emil.veliikov@collabora.com>
+Emil Velikov <emil.l.velikov@gmail.com> <emil.velikov@gmail.com>
+Emil Velikov <emil.l.velikov@gmail.com> <emmil.velikov@collabora.com>
 
 Eric Anholt <eric@anholt.net> Eric Anholt <anholt@FreeBSD.org>