Add regular UNIX network related files to configure
used test network based around QEMU and docker
services. IP address 172.31.1.1 is bridge interface
address in host which QNX tool mkqnximage set
(hard coded intool, cannot be changed).
Docker service hostnames are configured statically
as mDNS does not work from QEMU.
Pick-to: 6.2 6.3
Change-Id: Id7be7867e5bea1f354456e8d440f9979c402e977
Reviewed-by: Samuli Piippo <samuli.piippo@qt.io>
477877352a