SSH failure in Xi5 iptables changes
SSH failure in Xi5 iptables changes

Reason for change: Recent client iptable changes from Cyberpoint
               caused this regression.Added icmp communication
               rules since we have global DROP rule now.
Test Procedure: Ensure AV and SSH working
Risks: Low

Change-Id: Ia698b1b1f352b707a62ee724d2ceda66540f8e70
Signed-off-by: Vinu Palackal <b9c000dd474063aef1cbe744ba147aba1b229332@cable.comcast.com>

rdkcmf/rdk-sysint