nir/glsl: Add support for gpu_shader5 interpolation instrinsics
nir/glsl: Add support for gpu_shader5 interpolation instrinsics

Reviewed-by: Connor Abbott <71178acffcc112b21e5858656e5751f5e4aa9364@gmail.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler