ipatests: Add PTR record for IP SAN
If PTR record is missing for an IP address then cert request
with SAN option throws an error. This fix is to add the PTR
record so that cert request doesn't throw an error.
Signed-off-by: Mohammad Rizwan <myusuf@redhat.com>
Reviewed-By: Kaleemullah Siddiqui <ksiddiqu@redhat.com>