This moves most of the code to a new home: src/poly. Most precomp kernels logic that could be moved are provided by poly now. Signed-off-by: Mary Guillemard <mary.guillemard@collabora.com> Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37914>