libuecc, fastd: add licensing information

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
ethtool: update to 3.15, add licensing information

The ixp4xx patch is removed as I couldn't find any information about a driver
with this name, neither in the OpenWrt kernel nor upstream. If anybody knows
that it was actually useful after all, please tell me...

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
nacl: add licensing information

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>