[qca-nss-clients] Netlink porting changes for ipv4 and ipv6.

The patch ports the ipv4 and ipv6 netlink test framework from
Linux-4.4 to Linux-5.4 kernel.

Signed-off-by: Himanshu Joshi <himajosh@codeaurora.org>
Change-Id: Ic0fff05676936f3d2ed588925c39b85fe2807064
2 files changed