Build cortex-a72-a53-crypto-workstation and cortex-a8-server

.gitlab-ci.yml

 ---
-default:
+.template: &template
   image: '${CI_REGISTRY}/nest/tools/buildah:${CI_HOST_CPU}'
-  before_script:
-    - 'buildah login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" "$CI_REGISTRY"'
-
-.'Build haswell-server':
   stage: 'build'
   tags: ['nest']
-  variables:
-    CPU: 'haswell'
-    ROLE: 'server'
-    QEMU_ARCH: 'x86_64'
-  script: &script
+  script:
     - 'mkdir debug'
+    - 'buildah login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" "$CI_REGISTRY"'
     - 'buildah bud --security-opt seccomp=unconfined
                    --ulimit nofile=1048576
                    --build-arg STAGE0_TAG="$CPU"
@@ -29,20 +22,37 @@ default:
     - 'buildah push "${CI_REGISTRY_IMAGE}:${CPU}-${ROLE}"'
     - 'buildah push "${CI_REGISTRY_IMAGE}/debug:${CPU}-${ROLE}"'
 
-.'Build haswell-workstation':
-  stage: 'build'
-  tags: ['nest']
+'Build haswell-server':
+  <<: *template
+  variables:
+    CPU: 'haswell'
+    ROLE: 'server'
+    QEMU_ARCH: 'x86_64'
+
+'Build haswell-workstation':
+  <<: *template
   variables:
     CPU: 'haswell'
     ROLE: 'workstation'
     QEMU_ARCH: 'x86_64'
-  script: *script
+
+'Build cortex-a72-a53-crypto-workstation':
+  <<: *template
+  variables:
+    CPU: 'cortex-a72-a53-crypto'
+    ROLE: 'workstation'
+    QEMU_ARCH: 'aarch64'
 
 'Build cortex-a72-workstation':
-  stage: 'build'
-  tags: ['nest']
+  <<: *template
   variables:
     CPU: 'cortex-a72'
     ROLE: 'workstation'
     QEMU_ARCH: 'aarch64'
-  script: *script
+
+'Build cortex-a8-server':
+  <<: *template
+  variables:
+    CPU: 'cortex-a8'
+    ROLE: 'server'
+    QEMU_ARCH: 'arm'