pki: solve ibm/openjdk incompatibility

synthesis PKCS#12 using openssl to remove the friendly name causing the
openjdk to fail reading its content.

Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=961081
Change-Id: Ib54e1a6dc5608ca7697c06b72ded988ded75d13f
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>