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anv: enable query clear/copy using shaders on MTL/ARL

Lionel Landwerlin requested to merge llandwerlin/mesa:review/anv-mtl-query-shaders into main

What does this MR do and why?

anv: enable query clear/copy using shaders on MTL/ARL

It seems like an L3 setting is different between DG2 & MTL, breaking
the L3 coherency with CS.

We can apply the same tile cache flush as we do on TGL for now until
we figure out how to configure L3 properly to avoid this.

Tested with :

 $ query_clear_with_blorp_threshold=0 query_copy_with_shader_threshold=0 ./deqp-vk -n dEQP-VK.query_pool.*copy*

to force the shader optimizations.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>

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