[PATCH] tests/docker: Add flex/bison to `debian-all-test`

[Anton Johansson]

Adds flex/bison to the debian-all-test-cross container which was missed
in the previous CI patch. These dependencies are required by the
idef-parser patchset for target/hexagon.

Signed-off-by: Anton Johansson <anjo@rev.ng>
---
 tests/docker/dockerfiles/debian-all-test-cross.docker | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/docker/dockerfiles/debian-all-test-cross.docker 
b/tests/docker/dockerfiles/debian-all-test-cross.docker
index 2beb077fb4..8dc5e1b5de 100644
--- a/tests/docker/dockerfiles/debian-all-test-cross.docker
+++ b/tests/docker/dockerfiles/debian-all-test-cross.docker
@@ -20,8 +20,10 @@ RUN export DEBIAN_FRONTEND=noninteractive && \
 # Add extra build tools and as many cross compilers as we can for testing
 RUN DEBIAN_FRONTEND=noninteractive eatmydata \
         apt install -y --no-install-recommends \
+        bison \
         ccache \
         clang  \
+        flex \
         git \
         ninja-build \
         gcc-aarch64-linux-gnu \
--
2.37.3