edk2/docker: use ubuntu 18.04

Upstream CI uses ubuntu 18.04 too, so pick
that version (instead of something newer).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

diff --git a/.gitlab-ci.d/edk2/Dockerfile b/.gitlab-ci.d/edk2/Dockerfile
index 7484b3846d71bc7c33ea67331e448bab616267b3..bbe50ff8328a62101b77f1c8907dd5ea1cb8623d 100644 (file)
--- a/.gitlab-ci.d/edk2/Dockerfile
+++ b/.gitlab-ci.d/edk2/Dockerfile
@@ -1,7 +1,7 @@
 #
 # Docker image to cross-compile EDK2 firmware binaries
 #
-FROM ubuntu:16.04
+FROM ubuntu:18.04
 
 MAINTAINER Philippe Mathieu-Daudé <f4bug@amsat.org>