Update mailmap info for Steve Wise

Signed-off-by: Steve Wise <larrystevenwise@gmail.com>
Link: https://lore.kernel.org/r/20191203020319.15036-1-larrystevenwise@gmail.comSigned-off-by: Doug Ledford <dledford@redhat.com>

.mailmap

@@ -276,3 +276,5 @@ Gustavo Padovan <gustavo@las.ic.unicamp.br>
 Gustavo Padovan <padovan@profusion.mobi>
 Changbin Du <changbin.du@intel.com> <changbin.du@intel.com>
 Changbin Du <changbin.du@intel.com> <changbin.du@gmail.com>
+Steve Wise <larrystevenwise@gmail.com> <swise@chelsio.com>
+Steve Wise <larrystevenwise@gmail.com> <swise@opengridcomputing.com>