rhel/feeder: Update repo path and permissions
rhel/feeder: Update repo path and permissions

The rpm packages need to be located in the sub directory Packages and
the whole path structure should have the right selinux context if we
don't want to be denied by selinux.

Change-Id: I1085141f73f7d963419237c4bd30f99b99048e17

redhat-cip/dci-ansible,redhat-cip/dci-ansible