i965/nir/vec4: Implement vector "any" operation
i965/nir/vec4: Implement vector "any" operation

Adds NIR ALU operations:
   * nir_op_bany2
   * nir_op_bany3
   * nir_op_bany4

Reviewed-by: Jason Ekstrand <b186559eaedf698788888c8a2559b4efb4db10d6@intel.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler