The ps_update_flag=0 case is not handled properly here,
and follow commit exposes this problem.
233940: fix[h265d]: fix infochange loss when two sps continuous
Change-Id: I54dcea6c31483257b4b771a8bd4994cc75ed41f5
Signed-off-by: Yandong Lin <yandong.lin@rock-chips.com>