@retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied.\r
@retval EFI_UNSUPPORTED EFI_UNSUPPORTED The attribute is not supported on this platform, and the\r
MaximumVariableStorageSize,\r
@retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied.\r
@retval EFI_UNSUPPORTED EFI_UNSUPPORTED The attribute is not supported on this platform, and the\r
MaximumVariableStorageSize,\r