Update EPOLL* constants

* xlat/epollevents.in: Add EPOLLWAKEUP and EPOLLEXCLUSIVE.
diff --git a/xlat/epollevents.in b/xlat/epollevents.in
index 0448588..6fa6707 100644
--- a/xlat/epollevents.in
+++ b/xlat/epollevents.in
@@ -9,5 +9,7 @@
 EPOLLERR
 EPOLLHUP
 EPOLLRDHUP
+EPOLLEXCLUSIVE
+EPOLLWAKEUP
 EPOLLONESHOT
 EPOLLET