Add docker-amd64-tf-a-lts2.12-jammy, image for TF-A LTS 2.12

Just as for 2.8, we capture state of the image around TF-A 2.12 release,
to not depend on the further mainline changes.

Signed-off-by: Arthur She <arthur.she@linaro.org>
Change-Id: I8bdd23288a28a9274a4c2669a42fd20a44bd5471
diff --git a/docker_templates_amd64.yml b/docker_templates_amd64.yml
index 3cb9277..2212394 100644
--- a/docker_templates_amd64.yml
+++ b/docker_templates_amd64.yml
@@ -47,6 +47,14 @@
   volumes: !include docker_vol.yml
   max_instances: '10'
 
+- docker-amd64-tf-a-lts2.12-jammy:
+  docker_image_name: 'trustedfirmware/ci-amd64-tf-a-lts2.12-ubuntu:jammy'
+  labels: 'docker-amd64-tf-a-lts2.12-jammy'
+  launch_method: 'launch_ssh'
+  ssh: !include docker_ssh_buildslave.yml
+  volumes: !include docker_vol.yml
+  max_instances: '10'
+
 - docker-amd64-hafnium-focal:
   docker_image_name: 'trustedfirmware/ci-amd64-hafnium-ubuntu:focal'
   labels: 'docker-amd64-hafnium-focal'