Intel Gallium3D "Iris" Driver Changes Merged For Rusticl's OpenCL 3.0

While Intel's Compute-Runtime stack is fully open-source and already provides OpenCL 3.0 support for recent generations of Intel graphics under Linux, it looks like the recently-merged "Rusticl" Rust OpenCL implementation in Mesa will soon be working too on Intel graphics hardware as an alternative OpenCL 3.0 implementation...