Use new location of dockerfiles.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
```
docker login registry.gitlab.com/xen-project/xen
-make -C automation/build suse/opensuse-tumbleweed
+make -C automation/build opensuse/tumbleweed-x86_64
env CONTAINER_NO_PULL=1 \
CONTAINER=tumbleweed \
CONTAINER_ARGS='-e CC=gcc -e CXX=g++ -e debug=y' \
automation/scripts/containerize automation/scripts/build < /dev/null
-make -C automation/build suse/opensuse-tumbleweed PUSH=1
+make -C automation/build opensuse/tumbleweed-x86_64 PUSH=1
```
[BuildKit]: https://docs.docker.com/build/buildkit/