lima: ppir: always create move and update ld_tex successors for all blocks

lima: ppir: always create move and update ld_tex successors for all blocks

Always create a mov for ld_tex since we can't rely on
ppir_node_has_single_src_succ() if we have multiple blocks. And since
ld_tex successor can be in a different block we have to update their
ppir_src as well.

Reviewed-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3564>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3564>