Mesa's Rusticl Lands Support For Shared Virtual Memory & Intel Subgroups

Rusticl as Mesa's Rust-based OpenCL driver implementation for Gallium3D drivers is ending the month of May on a high note... Merged this week was support for the Intel Subgroups OpenCL extension (cl_intel_subgroups) and before getting to that on my TODO list, an even bigger item was merged: Shared Virtual Memory (SVM) support...