Adds support for the SPV_INTEL_ternary_bitwise_function extension, adding; * the OpBitwiseFunctionINTEL SPIR-V instruction, a ternary bitwise function where the operation performed is determined by a look-up table index, * and the corresponding TernaryBitwiseFunctionINTEL capability. See https://github.khronos.org/SPIRV-Registry/extensions/INTEL/SPV_INTEL_ternary_bitwise_function.html. Signed-off-by: Larsen, Steffen <steffen.larsen@intel.com>