The doc/config files should be packaged only when usr_only=False

There are some ini and README files that are getting packaged even
when usr_only is True. This commit puts a check for usr_only
around them so that they are ignored if that flag is set

Change-Id: Icf725d76888ec1bfc9cc98883c5c98484e69c2e0
Merge "The doc/config files should be packaged only when usr_only=False"