nicole: Add predefined network settings

This brings the default network settings for Tatlin as a part of
`systemd-conf` package.
These settings contain a predefined IPv4 address for

nicole: Add predefined network settings

This brings the default network settings for Tatlin as a part of
`systemd-conf` package.
These settings contain a predefined IPv4 address for eth0 interface,
keep the possibility of getting an additional IP address from DHCP.
VALN4004 with predefined IPv6 address is also kept.

(From meta-yadro rev: 56e7efa11a0b281f39d160cd99c84b7a95632205)

Change-Id: Ibb025a1ae519f0843bfcb8ec71e009e2bc97141f
End-User-Impact: - BMC now has predefined IPv4 address on the eth0.
- VLAN4004 also present and has predefined IPv6 address
- BMC is able to get a dynamic IP address on eth0.
Signed-off-by: Alexander Filippov <a.filippov@yadro.com>
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>

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