frontends/omx/h265: search entire dpb list
When more than 1 idr frames have been added to dpb list, there might be 2 frames with same poc in the dpb list. In this case, driver needs to search the entire dpb list in order to get newly added reference frame with given poc Signed-off-by:Boyuan Zhang <boyuan.zhang@amd.com> Reviewed-by:
Leo Liu <leo.liu@amd.com> Part-of: <mesa/mesa!9881>