multi-arch support for operator image (#220)

* arm64, ppc64le, and s390x multiarch support for operator hub

Signed-off-by: Jason Cho <jason.cho2@ibm.com>
Co-authored-by: Michael Skarbek <mskarbek@redhat.com>

config/manifests/bases/koku-metrics-operator.clusterserviceversion.yaml

@@ -18,6 +18,12 @@ metadata:
     support: Cost Management
   name: koku-metrics-operator.v0.0.0
   namespace: placeholder
+  labels:
+    operatorframework.io/arch.amd64: supported
+    operatorframework.io/arch.arm64: supported
+    operatorframework.io/arch.ppc64le: supported
+    operatorframework.io/arch.s390x: supported
+    operatorframework.io/os.linux: supported
 spec:
   apiservicedefinitions: {}
   customresourcedefinitions: