RDKCOM-1194: HUMAXGPON-25 : Updated min/max address values are stored in
RDKCOM-1194: HUMAXGPON-25 : Updated min/max address values are stored in

/nvram/partners_defaults.json as invalid value.
Reason for change: Bug fixing
Used inet_ntop() to convert ip address to string format.
Test Procedure: Using dmcli to execute the set operations for  below cmds,
Device.DHCPv4.Server.Pool.1.MinAddress
Device.DHCPv4.Server.Pool.1.MaxAddress
then, check the partners_defaults.json in /nvram folder with
corresponding partner ID.
Risks: Low
Signed-off-by: rnarayanan <rajkumar_narayanan@comcast.com>

(cherry picked from commit e24c5324e91af3c0a0719a2c56f16218579525ad)

Change-Id: Icf99fd9b157541079f6a82d104d079f989c1c9f4

rdkcmf/rdkb-CcspPandM,rdkcmf/rdkb-CcspPandM,rdkcmf/rdkb-CcspPandM