.mailmap: add an alias for Frank Binns

Reviewed-by: Frank Binns <frank.binns@imgtec.com>
diff --git a/.mailmap b/.mailmap
index 0952466..e146e5a 100644
--- a/.mailmap
+++ b/.mailmap
@@ -165,6 +165,8 @@
 
 Feng, Haitao <haitao.feng@intel.com> Haitao Feng <haitao.feng@intel.com>
 
+Frank Binns <frank.binns@imgtec.com> <francisbinns@gmail.com>
+
 Frank Henigman <fjhenigman@google.com> <fjhenigman@chromium.org>
 
 George Sapountzis <gsapountzis@gmail.com> George Sapountzis <gsap7@yahoo.gr>