ovirt.te: add updpwd_t

This patch adds:
- allow updpwd_t tmpfs_t:dir { search write add_name remove_name };

Change-Id: I48214e6cecb61cc4b924e6bc186d85b6031f366c
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1147413
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>