Re-use the boards var.

Change-Id: Ibbe26c555d00814b7a43e8f0c360da8770a91c3e
diff --git a/cicd/pipelines/tasks/task_release_cut.jenkins b/cicd/pipelines/tasks/task_release_cut.jenkins
index 748095b..0c00876 100644
--- a/cicd/pipelines/tasks/task_release_cut.jenkins
+++ b/cicd/pipelines/tasks/task_release_cut.jenkins
@@ -63,7 +63,7 @@
                        aptly publish snapshot --batch --force-overwrite --passphrase-file=/var/lib/aptly/keyring/passphrase.txt --architectures=source,amd64,arm64,armhf --distribution=${releaseName} ${releasedCoreSnapshotName} filesystem:public:${releaseName}
                        """
 
-                    for (board in param.boards.split(' ')) {
+                    for (board in boards) {
                         def unstableBspSnapshotName = getLatestSnapshot('unstable-bsp-${board}')
                         def releasedBspSnapshotName = "${releaseName}-bsp-${board}-${stamp}"