tgsi_to_nir: fix nir_gather_ssa_types for TGSI->NIR shaders
Drivers that depend on nir_gather_ssa_types need this for GALLIUM_HUD (and freedreno/a2xx needs it for the builtin freedreno TGSI shaders).
Edited by Jonathan Marek
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Drivers that depend on nir_gather_ssa_types need this for GALLIUM_HUD (and freedreno/a2xx needs it for the builtin freedreno TGSI shaders).