anchor.diff:      platform = "rk3328";
       extraMeta.platforms = ["aarch64-linux"];
       filesToInstall = [ "build/${platform}/release/bl31/bl31.elf"];
  +    platformCanUseHDCPBlob = true;
     };
   
     armTrustedFirmwareRK3399 = buildArmTrustedFirmware rec {
  
positive.code:     meta = with lib; {
        homepage = "https://github.com/ARM-software/arm-trusted-firmware";
        description = "A reference implementation of secure world software for ARMv8-A";
        license = (if unfreeIncludeHDCPBlob then [ licenses.unfreeRedistributable ] else []) ++ [ licenses.bsd3 ];
        maintainers = with maintainers; [ lopsided98 ];
      } // extraMeta;
    } // builtins.removeAttrs args [ "extraMeta" ]);
  
negative.code:     platform = "rk3399";
      extraMeta.platforms = ["aarch64-linux"];
      filesToInstall = [ "build/${platform}/release/bl31/bl31.elf"];
      platformCanUseHDCPBlob = true;
    };
  
    armTrustedFirmwareS905 = buildArmTrustedFirmware rec {
  