FreeRTOS + TCP/: IPv6 support

[rishavnath (rishavnath satapathy)]

Thanks for the log waiting IPv6 + multi stack. I am wondering why this is not pushed into FreeRTOS git – https://github.com/FreeRTOS/FreeRTOS/tree/master/FreeRTOS-Plus.

Is this AWS package is still WIP ?