[travis] Update to current default build environment

Signed-off-by: Michael Brown <mcb30@ipxe.org>

diff --git a/.travis.yml b/.travis.yml
index 43849cc5b47b15a970ac057252a7c7516e18beba..750f53160819818e5997053cb38050f09f664332 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
-dist: trusty
+dist: xenial
 
 sudo: false
 
@@ -18,6 +18,7 @@ addons:
       - binutils-dev
       - liblzma-dev
       - syslinux
+      - isolinux
       - genisoimage
   coverity_scan:
     project: