Put the PG config map in the new new include location

[carbonin]

sclorg/postgresql-container#232 changed the directory name from postgresql-config to postgresql-cfg.

Marking this as gap/yes and blocker as it will be both of those as soon as QE finds it.

[carbonin]

\cc @simaishi

[miq-bot]

Checked commit carbonin@fcdf36e with ruby 2.3.3, rubocop 0.52.0, haml-lint 0.20.0, and yamllint 1.10.0
1 file checked, 1 offense detected

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• 💣 💥 🔥 🚒 - Linter/Yaml - missing config files

[simaishi]

Gaprindashvili backport details:

$ git log -1
commit ee538414d3296c5945a76c25fbf61f7acea83296
Author: Brandon Dunne <brandondunne@hotmail.com>
Date:   Fri Feb 16 08:47:35 2018 -0500

    Merge pull request #267 from carbonin/fix_the_pg_pod_again
    
    Put the PG config map in the new new include location
    (cherry picked from commit 5cb805e87f3d76c32b05684135e16d65a7d52c15)

[simaishi]

For now, this is upstream only. The scl base image change hasn't come to downstream yet.

[simaishi]

Pushed the change to downstream, as the latest rh-postgresql95 image (9.5-10) includes the hook directory change.