[qca-nss-clients] Netlink porting changes for gre_redir.

The patch ports the gre_redir netlink test framework from
Linux-4.4 to Linux-5.4 kernel.

Signed-off-by: Himanshu Joshi <himajosh@codeaurora.org>
Change-Id: Iddde9bf24868ffb4d040ec471eadd59237c17c5f
4 files changed