networks: Numeric sort of interfaces instead of lexical sort
networks: Numeric sort of interfaces instead of lexical sort

This does not change the order of any of the current devices.  Only device
supported currently that has multiple interfaces is APU.

Signed-off-by: Sunil Mohan Adapa <3eaa7035e78e5eca849aa1e8ea4aaf97b4588601@medhas.org>
Signed-off-by: Joseph Nuthalapati <f3045f1a422c023fc6364ff0e3a18c260c53336e@thoughtworks.com>

harry-7/Plinth,harry-7/Plinth,harry-7/Plinth,harry-7/Plinth,harry-7/Plinth