SECENGSP-6402: Include multi arch ppc64le/s390x (#140)

Signed-off-by: Sergio Arroutbi <[email protected]>

Author: sarroutbi

.tekton/nbde-tang-server-multiarch-pull-request.yaml

@@ -108,6 +108,8 @@ spec:
     - default:
       - linux/x86_64
       - linux/arm64
+      - linux/s390x
+      - linux/ppc64le
       description: List of platforms to build the container images on. The available
         set of values is determined by the configuration of the multi-platform-controller.
       name: build-platforms

.tekton/nbde-tang-server-multiarch-push.yaml

@@ -105,6 +105,8 @@ spec:
     - default:
       - linux/x86_64
       - linux/arm64
+      - linux/ppc64le
+      - linux/s390x
       description: List of platforms to build the container images on. The available
         set of values is determined by the configuration of the multi-platform-controller.
       name: build-platforms