openssl: Fix u-a usage

* u-a settings were removed, but u-a inherit kept
* warning from sstate is shown only because u-a renames it too late in
  do_package while warning is shown from do_populate_sysroot, manual
  rename in do_install fixes warning and keeps u-a working correctly on
  target
* this partially reverts 99580df047a65b6b9f521baa50f8370782701177

[GF-2445] openssl.cnf conflict

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@palm.com>
Change-Id: I88b4c1f091972d58f43851dcfb2ef7b8d36d18e6
Reviewed-on: https://g2g.palm.com/1763
Reviewed-by: Martin Jansa <martin.jansa@palm.com>
Tested-by: Martin Jansa <martin.jansa@palm.com>
Reviewed-by: Keith Derrick <keith.derrick@lge.com>
Reviewed-by: Ed Chejlava <ed.chejlava@lge.com>
Reviewed-by: Susan Montooth <susan.montooth@lge.com>