libnet: added setup of net_filter connection using endpoint

Signed-off-by: Roni Häcki <roni.haecki@inf.ethz.ch>

libnet: avoid failing setting up filter with e1000 like cardnames

e1000 cardname was of the form e1000:vendor:bus:device:function ..
where other cardnames were simply in the form of the name itself.

Signed-off-by: Roni Häcki <roni.haecki@inf.ethz.ch>

libc: removing newlib, adding BSD libc
posixcompat: moving gettimeofday to libc
harness: adding a simple math test
lwip, lwip2: moving includes to /include, compiling with BSD headers

Signed-off-by: Adam Turowski <adam.turowski@inf.ethz.ch>

devif: e1000 backend initial version

Signed-off-by: Adam Turowski <adam.turowski@inf.ethz.ch>

netlib: better integration of harware filtering

Signed-off-by: Roni Häcki <roni.haecki@inf.ethz.ch>

libnet: implemented adding/removing hardware filters from solarflare card

Signed-off-by: Roni Häcki <roni.haecki@inf.ethz.ch>