Fix parameter in ceph upgrade pipeline

Related-Prod: PROD-35785
Change-Id: Ie11f9c6607b80bbcdb3ca9c42b639c1822a79f5d
diff --git a/ceph-upgrade.groovy b/ceph-upgrade.groovy
index 6b495be..25b4748 100644
--- a/ceph-upgrade.groovy
+++ b/ceph-upgrade.groovy
@@ -241,7 +241,7 @@
                 if (TARGET_RELEASE == 'nautilus' ) {
                     salt.cmdRun(pepperEnv, ADMIN_HOST, "ceph mon enable-msgr2")
                 }
-                salt.enforceState(master, "I@ceph:common", "ceph.common")
+                salt.enforceState(pepperEnv, "I@ceph:common", "ceph.common")
             }
         }