Add access to GPG key for release verify job

Change-Id: Ic8785fba6b48f0e3d061b9f45ff90a9e71f61395
diff --git a/jjb/onos/onos-verify.yaml b/jjb/onos/onos-verify.yaml
index eaf3222..ebf6181 100644
--- a/jjb/onos/onos-verify.yaml
+++ b/jjb/onos/onos-verify.yaml
@@ -437,6 +437,11 @@
     <<: *daily_boiler_plate
 
     builders:
+      - config-file-provider:
+          files:
+            - file-id: 'gpg-key'
+              target: 'jenkins.key'
+              variable: 'GPG_KEY_FILE'
 
     #put shell scripts in file then make sure shell check is installed on verify vms
       - shell: !include-raw-escape: onos-release-build-verify.sh