lima: ppir: fixup src node when replacing src for select and load_reg

Fixup src node when replacing src for select and load_reg

It doesn't affect compiler functionality, but affects printing ppir
representation.

Reviewed-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33540>
2 files changed