Description of problem:
- Errata tile in Host's Overview page on Satellite Web UI for RHEL 6 is blank with "No installed packages and/or enabled repositories have been reported by subscription-manager."

Version-Release number of selected component (if applicable):
- 6.15

How reproducible:
- Easily

Steps to Reproduce:
1. Register RHEL 6 host.
2. Check Host Overview tab for Errata tile.
3. Check enabled repositories:
# yum repolist
repo id                                       repo name                                                                  status
rhel-6-server-els-rpms                        Red Hat Enterprise Linux 6 Server - Extended Life Cycle Support (RPMs)     21,451
rhel-6-server-els-satellite-client-6-rpms     Red Hat Satellite Client 6 (for RHEL 6 Server - ELS) (RPMs)                    20
repolist: 21,471


Try restarting services:
# service rhsmcertd restart
Stopping rhsmcertd...                                      [  OK  ]
Starting rhsmcertd...                                      [  OK  ]
# subscription-manager refresh
1 local certificate has been deleted.
All local data refreshed

Still Highlighted 'Enable repository sets'.

Actual results:
- 'No installed packages and/or enabled repositories have been reported by subscription-manager.'
Highlighted 'Enable repository sets'

Expected results:
- Should show correct information as for other RHEL releases.

Additional info:

DEV Tracker for https://issues.redhat.com/browse/SAT-22143
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2255949