spirv: Handle NonSemantic.Shader.DebugInfo.100

New versions of glslangValidator seem to emit those instructions for
debug info instead of OpLine.

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33141>
3 files changed