uboot-phytec

arm: mvebu: Configure ARP timeout and retry count

As some MVEBU platforms using the MVNETA driver seem to miss the
first ARP packet, lets reduce the timeout and increase the retry
count. This increases the speed for communication establishment.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Cc: Dirk Eibach <eibach@gdsys.de>