lima: add summary report for shader-db

Erico Nunes requested to merge enunes/mesa:lima-shaderdb into master

Very basic summary, loops and gpir spills:fills are not updated yet and are only there to comply with the strings to shader-db regex.

For now it can be used to analyze the impact of changes in instruction count in both gpir and ppir.

Edited by Erico Nunes

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