Attempting to install the native compiler as a cross compiler rarely
goes well.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
 tests/docker/Makefile.include | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/docker/Makefile.include b/tests/docker/Makefile.include
index 7d13ddd497..2cb180ff6c 100644
--- a/tests/docker/Makefile.include
+++ b/tests/docker/Makefile.include
@@ -148,6 +148,10 @@ DOCKER_PARTIAL_IMAGES += debian-powerpc-user-cross
 
 ifneq ($(ARCH),x86_64)
 
+ifeq ($(ARCH),aarch64)
+# no point having a cross compiler when it is the native one
+DOCKER_PARTIAL_IMAGES += debian-arm64-cross
+endif
 
 endif
 
-- 
2.17.1