[qca-nss-ecm] IPv6 solicitation fix with zero gateway address

The ECM function can find a zero gateway address for
a host IP address. In this case, we need to use the
host IP address while sending the solicitation request.

Signed-off-by: Murat Sezgin <msezgin@codeaurora.org>
Change-Id: I1979834088ddfe1843566f51f64348f79e2df0fc
2 files changed