Get DHCP configuration values form n/w config file while creating
DHCP config object.

Each time when we update config file we recreate DHCP config object,
with existing code DHCP configuration values are getting initialized
to default values.
With these changes we get DHCP configuration values from n/w config.

Resolves openbmc/openbmc#2891

Change-Id: I95d50d52a8aa569493739a46b88e4a378e399698
Signed-off-by: Nagaraju Goruganti <ngorugan@in.ibm.com>
3 files changed