radeonsi/vcn: Fix ref list fixup check with interlaced video
What does this MR do and why?
radeonsi/vcn: Fix ref list fixup check with interlaced video
With interlaced video field_order_cnt_list[0] will never be equal to field_order_cnt_list[1] so it would allow to send curr_pic_ref_frame_num == 0 to decoder which results in page faults following hang.
Closes: #9210 (closed)