pan/mdg: Infer whether to disassemble shaders from info.internal

Blit shaders are now marked as internal, so remove the silent argument
from midgard_compile_shader_nir and instead use nir->info.internal to
suppress disassembling shaders.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6870>
5 files changed