barebox: v2018.11.0-phy1: Change ethernet config
barebox: v2018.11.0-phy1: Change ethernet config

Barebox moved the ethernet config from /env/network/* files to nv vars.

Signed-off-by: Daniel Schultz <adff8adca0fa13ca885c17ff484bfc0eae7d2508@phytec.de>
[Updated commit message due to new version.]
Sigend-off-by: Teresa Remmet <f049cc77bcba8c1f96fb2cde28e4d780e9ebedaa@phytec.de>
Signed-off-by: Stefan Müller-Klieser <a3e08e35e4a42be768e7d0e76ae1ba321c2a66dd@phytec.de>

PHYTEC-Messtechnik-GmbH/meta-phytec,PHYTEC-Messtechnik-GmbH/meta-phytec,PHYTEC-Messtechnik-GmbH/meta-phytec,PHYTEC-Messtechnik-GmbH/meta-phytec,PHYTEC-Messtechnik-GmbH/meta-phytec