pan/bi: Move some print routines out of the disasm

These are generally useful for debug of the compiler IR even prior to
code emit; let's share these.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4061>
6 files changed