Add psmisc package to rgw hosts

Change-Id: I20d117798bd719c0cacb42afb902d2b491366b14
Related-Bug: https://mirantis.jira.com/browse/PROD-35627
diff --git a/ceph/map.jinja b/ceph/map.jinja
index ae0206b..0dce94c 100644
--- a/ceph/map.jinja
+++ b/ceph/map.jinja
@@ -45,6 +45,7 @@
   - ceph-common
   - python-rados
   - librados2
+  - psmisc
   services:
   {%- if grains.get('init', None) == 'systemd' %}
     {%- if pillar.get('ceph',{}).get('radosgw',{}).keyring_user is defined %}
@@ -64,6 +65,7 @@
   pkgs:
   - radosgw
   - ceph-common
+  - psmisc
   services:
   - radosgw-all
   threads: 50