Nouveau NIR Support Nears The Mesa Merging Milestone

It has been a while since last having anything to report on the Nouveau Gallium3D driver's effort to support the NIR intermediate representation as part of their effort to re-use existing code-paths for helping to bring-up SPIR-V compute support for this open-source NVIDIA Linux driver and ultimately working towards Vulkan support. But the latest version of these Nouveau NIR patches are now available and almost ready to be mainlined...