Enable networking on all reasonable interfaces

Because Buildroot only comes with support for one interface by default
(and because it only enables DHCPv4, not anything related to IPv6),
let's use this approach to enable all wired interfaces.

Tested on a Geode, it works.

Change-Id: I518db7d04a879b337039d51bfd9d8e0edb171f43
3 files changed
tree: e2013ddaf5b50b8a67562c24a5d41360b1d39675
  1. Config.in
  2. board/
  3. configs/
  4. external.desc
  5. external.mk
  6. package/