ovirt.te: add ldconfig type

This patch adds:
    allow ldconfig_t auditd_log_t:file append;
    allow ldconfig_t tmpfs_t:dir search;

Change-Id: Ic0d6234126763f267f43ac6e6be2abf8a65e6864
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>