Network backend: Prepend the IP address to the description string
Network backend: Prepend the IP address to the description string

If the XML context already provides a description string, we now prepend
the IP address to it and use the result as the network backend's
description string.

Signed-off-by: Paul Cercueil <73d292422978d45c9eeef455bb1b24a0db453722@analog.com>

Sunderfield/libiio,Sunderfield/libiio,Sunderfield/libiio,gburca/libiio,analogdevicesinc/libiio,sensarliar/libiio,analogdevicesinc/libiio,analogdevicesinc/libiio,gburca/libiio,analogdevicesinc/libiio,sensarliar/libiio,gburca/libiio,sensarliar/libiio