Update for upstream LLVM change ac1d23ed7de Replace MCTargetOptionsCommandFlags.inc and CommandFlags.inc by runtime registration
Update for upstream LLVM change ac1d23ed7de Replace MCTargetOptionsCommandFlags.inc and CommandFlags.inc by runtime registration

GPUOpen-Drivers/llpc,googlestadia/llpc,googlestadia/llpc,GPUOpen-Drivers/llpc,googlestadia/llpc,GPUOpen-Drivers/llpc,GPUOpen-Drivers/llpc,googlestadia/llpc,googlestadia/llpc,GPUOpen-Drivers/llpc